Update (6 Jun 2014):  Descendants of these CORBINs are a Y-DNA match to a descendant of Henry CORBIN (1861-1934), immigrant to New York City from the Isle of Guernsey.  The Baltimore CORBINs have "crossed the pond"!

1.  See Sources on the children's family group sheets for more documenation.

2a.  Deposition:  by Nathan Greenland, Sr., of Trough Creek, Huntingdon Co., PA, on 20 May 1854.  Found at the Centre County, Pennsylvania, Historical Society by James CORBIN, who generously shared scans of the two pages (annotated transcription by DGM):

I've broken the text into smaller paragraphs and added some punctuation where I thought appropriate to make the text more readable.  I've also annotated the transcription with my comments.  If you think I've made any errors or you can read the parts I couldn't decipher, please contact me (see scans of sheet 1 and sheet 2). The testator here is Nathan GREENLAND, Sr., husband of our subject's granddaughter, Sarah Ruth (CORBIN) GREENLAND.

Trough Creek May 25th 1854 I Nathan Greenland Sr married a Miss Sarah Corbin in the year 1797 a daughter of Benjamin Corbin of Baltimore County Maryland and his fathers name was Nicholas Corbin resided in the neighbourhood of what was called gunpowder falls of sd County had several sons - brothers of Sd Benjamin Corbin.

Sarah CORBIN, wife of Nathan GREENLAND was, indeed, a daughter of Benjamin CORBIN.  Benjamin did have at least three known brothers (Nathan, Abraham, and William), and while I've yet to find direct documentation that Nicholas is Benjamin's father (e.g., in a baptismal record or will), this deposition supports that Benjamin's father was named, Nicholas CORBIN.  Gunpowder Falls is near Joppa, and Benjamin was known to be living there in 1768 and as late as 1790, before he moved to Westminster, Baltimore [now Carroll] Co., MD, where he died in 1813.

One aforsd brothers moved to the state of Virginia Some seventy or eightly years back and from the stock of Corbins in Sd Neighbourhood they became Scattered into Several States and I never heard of any other stock of Corbins in the United States but these perhaps these Corbins in Virginia is the off spring of My father in laws brother that moved to Virginia and perhaps their can be more sattisfaction obtained by Searching the records in Baltimore by the [unreadable]

Seventy or eighty years back would place the move in the 1770s or '80s.  If, indeed, there was a brother who moved to Virginia, it would be of great interest to CORBIN researchers to know who it was.  So far, no one with a CORBIN ancestry in Virginia who has been Y-DNA tested has turned up a DNA match with the "Baltimore" CORBINs. There are, in fact, many other CORBIN "stocks" in the United States, including several in Virginia, but I don't suppose we can fault Nathan GREENLAND for being unaware of them.

[unreadable] have the first stock of Corbins came from England and I recollect verry well of hearing them talking that in their young days the business was all done at Joppa and that Baltimore contained but a few houses but Baltimore increasd and Joppa went pretty much to nothing and Baltimore became to be the place where the business of the county was done.  I only refer to this on account that it might be of use in searching the records

Whether in their minds "England" included the Isle of Guernsey, it's hard to say.  The Isle is a Dependency of the British Crown, but not part of England.

Qustian how many sons had Sd Nicholas Corbin Answer I believe about five or six William, Benjamin, and Abraham I was personally aquainted with and one of them that I was not aquainted with I understood moved to Virginia in a early day a brother of Benjamin and Abraham and William and some twenty years ago I saw [unreadable] Minutes of the Baptist Assosiation

End of first sheet.

Because I can't read the entire last sentence, I haven't a clue what the reference to the "Minutes of the Baptist Association" means. We do know that Benjamin had brothers Nathan, Abraham, and William.  Other CORBINs alleged to be his brothers are Joseph CORBIN and Shadrach CORBIN.

in Virginia in co(?) with Elijah Corbin Son of Benjamin Corbin I saw the home of a Corbin.  Elijah Corbin made answer and said that he was the off spring of his fathers Brother and from the hearing of their talk I understood that the Corbins and Jordans and Joneses were related by Marriage.

Elijah CORBIN was, indeed, a son of Benjamin.  It's hard to make sense of the first sentence, unless it means that Elijah CORBIN pointed out to Nathan GREENLAND the home of an un-named CORBIN who was son of one of Benjamin's brothers. It's not obvious who the CORBIN-JORDAN or CORBIN-JONES connections might be as I'm not aware of any among the Baltimore CORBINs.  A quick search at WorldConnect and Ancestry Public Member Trees doesn't turn up any, either. There are, however, such connections among the Hall End CORBINs (of England and VA).

Quest do you know of any of the Mashes married in to the Corbin family [unreadable] answer yes Suffia Corbin a Sister of Benjamin, William [She?] was Married to a Mr Mash and had three sons that I had knowledge of Joshua - Beal - and Clem

"Mash" should be "Marsh."  Sophia CORBIN, sister of Benjamin and William, married Thomas MARSH.  They did, indeed, have sons Joshua, Beal, and Clement.

Quest did you ever hear the Corbin family talking about a fortune that was their right Answer I did hear them talk about a fortune that [unreadable] comeing if(?) they would [unreadable] after it

So, is this the reason for the deposition?

Quest did you hear any thing said among the Corbins in relation to a connection with the Jeninges Answer Yes it does appear a little like a dream to me that I have Nathan Greenland Sr

Frances CORBIN, daughter of the illustrious Henry CORBIN, of Hall End, Warwickshire, and Virginia, married an Edmund JENNINGS, who was illustrious in his own right.  It does appear this deposition was intended to support a connection between the Baltimore CORBINs and the Hall End CORBINs.  Was there some kind of inheritance being sought here?

Huntingdon County [Ss?]      Personly appeared before me the Subscriber one of the Justices of the peace in and for Said County the above named witness and being Sworn acording to Law Says the above Statement is correct and true acording to the best of his knowledge and belief Sworn and Subscribed before me this 25 day of May AD 1854 Nathan Greenland Sr      Simeon Wright

The alleged connection between the Baltimore CORBINs and the Hall End CORBINs does appear to be based on wishful thinking.  It would hardly be the first time a desire to connect to an illustrious ancestor birthed a family legend.

I might add here that my maternal grandfather, whose maternal grandmother, Sarah E. (CORBIN) STRAUB, was a descendant of Benjamin CORBIN, also believed we had a connection to JENNINGS through the CORBINs, so the legend has a strong place in the family history.  This appears to be another one that is untrue.

2b.  Depositions by several individuals in Huntingdon Co., PA, on 29 Oct 1858.  Found at the Centre County, Pennsylvania, Historical Society by James CORBIN, who generously shared scans of the two pages (annotated transcription by DGM):

If you think I've made any errors or you can read the parts I couldn't decipher, please contact me (see scans of sheet 1 and sheet 2).

Huntingdon County [?] Sate of Pensylvania Abraham Evans personaly appears before the subscriber one of the Justices of the [?] for the said County and being duly sworn doth depose and say that he he heard Benjamin Corbin son of Benjamin Corbin of Batimore County Sate of Meryland say that there was an estate Comming to the Corbins from England or would be some day and that there was a man came to said County the name of Jennings and that he hard the said Benjamin Corbin say that he wondered if the said Jennings was anny relation to the Jennings that was marriad to a Corbin and that he thinks he heard the said Benjamin Corbin call her his Aunt Jennings. Sworn and subscribe 29th day of October 1858 before James Hamilton Justice of the... [SS]

Abraham EVANS was son-in-law of Micajah CORBIN, who was son of Benjamin CORBIN (Sr.) and brother of Benjamin CORBIN (Jr.).  If Frances (CORBIN) JENNINGS was the "aunt" of the Benjamin (Jr.), then that would mean Benjamin (Sr.) would have to be brother of Frances and son of Henry.  We know this can't be true because Henry died long before Benjamin (Sr.) was born.

Huntingdon County Sate of Pennsylvania John Hall personaly appeared before the subscriber one of the Justices of the peace in and for the said County and being duly sworn doth depose and say he heard Benjamin Corbin son of Benjamin Corbin of Baltimore County State of Meryland say that there was a large estate coming to the Corbins from England or would be if they could get it and that there was a man came to the said County the name of Jennings and that he heard the said Benjamin Corbin say he wondred whether the said Jennings was anny relation to the Jennings that was married to a Corbin and that the said Benjmin Corben [unreadable] back and forth for two years and died with him on the 29th of August 1844 heard him oft talking of this estate, sworn and Subscribed before October 29th 1858 before James Hamilton Justice of the peace [SS]

End of first sheet.

Delila Hall personaly appears before the subscriber one of the Justices of the peace in and for the said County and being duly Sworn doth depose and say that she knows Asa Corbin to be the son of Michajah Corbin son of Benjamin Corbin of Baltimore County Sate of Meryland Sworn and subscribed before? October 29th 1858 before James Hamiton Justice of the peace [SS]

This appears to be Delilah (LANE) HALL, wife of Matthew HALL, daughter of Rev. Samuel LANE & Keziah SIAS, and niece of Keziah's sister, Sarah (SIAS) CORBIN, wife of Benjamin CORBIN. Asahel "Asa" CORBIN (1799-1880s) was, indeed, son of Micajah, son of Benjamin.  This Asa is the one who married Nancy DEAN.

Huntingdon County [?] State of Pennsylvania Elenor Corbin personaly appears before the subscriber one of the Justices of the peace in and for the said County and being duly sworn doth depose and say that she knows Asa Corbin to be the son of Michajah Corbin and Michajah Corbin was the son of her Uncle Benjamin Corbin of Baltimore County sate of Maryland and that she know that there was a Nathan, Abraham and her Father brothers of the said Benjamen Corbin. William was her Fathers name and that there was more of the family that she was not aquainted with I do certify that the above Elenor Corbin is of great age being above 80 years of age acording to her account and that her mantel facity is unimpeared Sworn and subscribed October 29th 1858 before James Hamilton Justice of the peace [SS]

Eleanor (CORBIN) CORBIN was, indeed, the daughter of William CORBIN, brother of Benjamin CORBIN.  She was the elderly widow of yet another Asahel "Asa" CORBIN (1774-1819), this one son of Benjamin — so, yes, she had married her first cousin.

2c.  Instrument found at the Centre County, Pennsylvania, Historical Society (scans kindly shared by James CORBIN; annotated transcription by DGM):

This document appears to be part of the series of depositions being given in Huntingdon Co., PA, in the 1850s (see others above).  Unfortunately, more is not known about this document, including the date it was written or the identity of the person being deposed.  It does appear as though a third page may be missing, which presumably would contain that information. See also scans of the originals:  sheet 1 and sheet 2.  If you feel I've made any errors, please don't hesitate to correct me.

Huntingdon County State of Pennsylvania, this Instrument is to Show that the Corbins of the State of Pennsylvania Migrated at An Early day from the State of Maryland into the aforesaid State of Pennsylvania where they still remain about the time or Soon after the close of the Revolutionary War, and the Said Asa Corbin and Micajiah Corbin now residing in Henderson Township County of Huntingdon and aforesaid State, and the said Asa Corbin residing in Union Township and aforesaid County and State, are the Lawfull heirs and Sons of Micajiah Corbin Sr formerly of the State of Maryland Baltimore County, and the aforesaid

No one disputes that the CORBINs in Huntingdon Co., PA, came there from Maryland, specifically Baltimore Co., MD, though the censuses indicates the move was mainly between 1800 and 1810. The Asahel "Asa" CORBIN residing in Henderson Twp.... work in progress The Asahel "Asa" CORBIN in Union Twp. was the son of Micajah CORBIN and husband of Nancy DEAN.

Micajiah Corbin Sr. was the Lawful heir and Son of Benjamin Corbin who lived and died in the State of Maryland and that the aforesaid Benjamin Corbin was the Lawful heir and Son of Micajiah Corbin, who migrated from England at a very Early day, and settled below the city of Baltimore in what was called the "Neck" that the aforesaid Benjamin Corbin was the oldest Son of Nicholas Corbin, and went and lived Near Gunpowder falls and that the Aforesaid Nicholas Corbin lived and died in the County of Huntingdon and that Asa Corbin is the Oldest Son of Micajiah and Mary Corbin Now Deceased, and Micajiah Corbin Jr the Youngest Son of the above Micajiah Corbin Sr and his wife Mary

work in progress...