— born in Culpeper Co., VA:
  2.  Hannah CORBIN, b. 22 Jun 1811
  3.  (Daughter B) CORBIN, b. 1810-20; d. bef. 1830
  4.  David E. CORBIN, b. ca. 1815
  5.  (Daughter C) CORBIN, b. 1815-20
  6.  William P. CORBIN, b. 16 Apr 1820 

— born in Culpeper Co., VA, or Hardy Co., VA [now WV]:
  7.  (Son A) CORBIN, b. 1825-30
  8.  (Daughter D) CORBIN, b. 1825-30
  9.  George Washington CORBIN, b. 12 Feb 1827

— born in Hardy Co., VA [now WV], or Washington Twp., Franklin Co., OH:
10.  (Son B) CORBIN, b. 1830-35

1.  Jordan R. Dodd, ed.  1993.  Virginia Marriages:  Early to 1850.  Liahona Research, Orem, UT (Broderbund CD-229):

Corbin, John P.

Corbin, Elizabeth

2 Feb 1807

Fauquier Co.

2.  1810 Census Index/Images (online at Ancestry.com, Image #16 of 93 — list was roughly alphabetized; extracted by Diana Gale Matthiesen):¤•

1810

VA

Culpeper Co.

Culpeper

Roll 68

p. 17/84

Ln. 22

Jno P Corbin

00010-10100-00

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	26-44	1765-1784	= John P (b. 1781)
1 female	9 or under	1800-1810	= Daughter A
1 female	16-25	1784-1794	= Elizabeth (b. ca. 1785)

3.  1820 Census Index/Images (online at Ancestry.com, Image #20 of 91 — list was roughly alphabetized; extracted by Diana Gale Matthiesen):¤•

1820

VA

Culpeper Co.

Roll M33_133

p. 69B

Ln. 2

John Corbin Jr

100010-30010-0-100

no slaves

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	9 or under	1810-1820	= David (b. ca. 1815)
1 male	26-44	1775-1794	= John (b. 1781)
3 females	9 or under	1810-1820	= Daughter C = Daughter B = Hannah (b. 1811)
1 female	26-44	1775-1794	= Elizabeth (b. ca. 1785)
1	person engaged in agriculture

4.  1830 Census Index and Digital Images (online at Ancestry.com; Image #13-14 of 68; extracted by Diana Gale Matthiesen):¤•

1830

VA [now WV]

Hardy Co.

Roll 191

pp. 79B-80A

Ln. 12

Corbin John

211 000 100 - 101 100 100

no slaves

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
2 males	4 or under	1825-1830	= George (b. 1827) = Son A
1 male	5-9	1820-1825	= William (b. 1820)
1 male	10-14	1815-1820	= David (b. ca. 1815)
1 male	40-49	1780-1790	= John (b. 1781)
1 female	4 or under	1825-1830	= Daughter D
1 female	10-14	1815-1820	= Daughter C
1 female	15-19	1810-1815	= Hannah (b. 1811)
1 female	40-49	1780-1790	= Elizabeth (b. ca. 1785)

Also in Hardy County:  John's brother, Reuben R. CORBIN, and Reuben's son, Joseph CORBIN. 

5.  1840 Census Index and Digital Images (online at Ancestry.com; Image #7-8 of 8; extracted by Diana Gale Matthiesen):¤•

1840

OH

Franklin Co.

Washington Twp.

pp. 125B-126A

Ln. 17

J.P. Corbin

011 110 010 - 001 000 010

0300000

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	5-9	1830-1835	= Son B
1 male	10-14	1825-1830	= George (b. 1827)
1 male	15-19	1820-1825	= William (b. 1820)
1 male	20-29	1810-1820	= David? (b. ca. 1815)
1 male	50-59	1780-1790	= John (b. 1781)
1 female	10-14	1825-1830	= Daughter D
1 female	50-59	1780-1790	= Elizabeth (b. ca. 1785)
3	persons engaged in agriculture

6.  Census Index:  U.S. Selected Counties, 1850 (Broderbund CD-317):  not found.

7.  WorldConnect / Ancestry World Trees (online at RootsWeb.com/Ancestry.com).