1.  Jordan R. Dodd.  Marriage Index:  Michigan and Wisconsin, 1830-1900.  Liahona Research, Orem, UT (Broderbund CD-251):

Strout, Thomas	Hayer, Carlina	May 16, 1868	MI	Allegan
This record can be found in the County Court Records, Film #1017875-1017877.

2.  1870 Census Index/Images (online at Genealogy.com, Image #9 of 30):  Burnips Corners P.O., Salem Twp., Allegan Co., MI, p. 330A, enumerated 13 Jul 1870 (extracted by Diana Gale Matthiesen):¤

1870:  for an explanation of the column headings, please see What the Numbers in the Federal Census Mean (missing columns contained no data).
1	2	3	4	5	6	7	9	10	15	16	17	19
58	48	Stroub Thomas N	23	M	W	Farmer	200	Ohio		/	/	/
		______ Caroline	23	F	W	Keeping House		"
		______ Ada R	1	F	W			Michigan
		Buyce/Bryce Augustus	12	M	W			do		/	/
		Hoyer Jane	14	F	W			do	/		/

There is a strong probability that Jane is Caroline's sister.  I can't place Augustus.

3.  Nancy Straub Holben.  My Straub Family of Michigan, Ohio, and Pennsylvania.  FamilyTreeMaker User Home Page.

4.  Messages on the STRAUB Surname Message Board (online at Ancestry.com/RootsWeb.com).