As it stands, Valentine's birthplace is somewhat uncertain.  In the 1860 census, it shows Wuerttemberg, but in the 1850, 1870, 1880, and 1900 censuses it shows Ohio.  I would presume the 1860 census was the one in error, except that his brother Jacob's bio says the family came to America in 1836 which, if true, means Valentine had to have been born in Europe.  As Valentine would have been only four years old in 1836, he would understandably have had no memories of Germany, and it's common for people who were moved as toddlers to mistakenly believe the place where they grew up is where they were born.

1.  LDS.  Family Search: Internet Genealogy Service:  IGI - International Genealogical Index (online at FamilySearch.org).

Valentine STRAUBE Spouse: Walburg GRATHWOHL Marriage: 18 Mar 1860, Butler, Ohio Source: Marriage Records, 1803-1930. Ohio. Probate Court (Butler County)

2.  1860 Census Index/Images (online at Genealogy.com, Image #21 of 58):  Hamilton P.O., Hamilton (Ward 1), St. Clair Twp., Butler Co., OH, Roll 941 (Book 1), p. 335A, PN 21, 175/167, enumerated 9 Jun 1860, official enumeration date 1 Jun 1860 (extracted by Diana Gale Matthiesen):¤•

Valentine Straub	28	M		Farmer	350	30	Wirtemburg Ger.
Welbertha    "	23	F					"

3.  1870 Census Index/Images (online at Genealogy.com, Image #39-40 of 64):  Hamilton P.O., Hamilton (Ward 4), Butler Co., OH, Roll 1176 (Book 1), pp. 162A-162B, PN 39-40, enumerated 20 Jul 1870, official enumeration date 1 Jun 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

8

10

11

12

13

15

16

17

19

294

324

Straub Valdine

47

M

W

Laborer

2000

Ohio

/

/

/

/

/

[next page]

Straub Warpool

31

F

W

Keeping House

Wirtmburg

/

______ Charles

9

M

W

Goes to school

Ohio

/

______ John

8

M

W

Goes to school

Ohio

/

______ Mary

5

F

W

Ohio

/

______ Anthony

3

M

W

Ohio

/

______ Albert

7/12

M

W

Ohio

/

Nov

______ Anna C

7/12

F

W

Ohio

/

Nov

Grotwood Mary

68

F

W

At home

Wirtemburg

/

/

Mary is surely Warpool's mother.

4.  1880 Census (indexed at FamilySearch.org; page image online at Ancestry.com, Image #24-25 of 64):  East Ludlow St., Hamilton (Ward 4), Butler Co., OH, pp. 436D-437A, PN 24-25, SD 3, ED 37, enumerated 4 Jun 1880, official enumeration date 1 Jun 1880 (extracted by Diana Gale Matthiesen):¤•

1880:  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

8

9

10

13

21

24

25

26

199

202

Straub Valentine

W

M

47

/

Cart Driver

OH

Germany

______ W

W

F

43

Wife

/

Keeps House

Wurtemburg

Wurtemburg

______ Charles

W

M

19

Son

/

at Home

OH

Germany

Wurtemburg

______ John

W

M

17

Son

/

Painter

OH

Germany

Wurtemburg

______ Mary

W

F

15

Dau

/

at Home

OH

Germany

Wurtemburg

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199

202

Straub Albert

W

M

10

Son

/

at School

/

OH

Germany

Wurtemburg

______ Annie

W

F

10

Dau

/

at School

/

OH

Germany

Wurtemburg

______ Pauline

W

F

8

Dau

/

at School

/

OH

Germany

Wurtemburg

______ Rosa

W

F

5

Dau

/

OH

Germany

Wurtemburg

5.  1890 Census:  the 1890 Census Population Schedules were destroyed.

6.  1900 Census Index/Images (online at Genealogy.com, Image #14 of 119):  515 Ludlow St., Hamilton City (Ward 4), Hamilton Twp., Butler Co., OH, Roll 1243 (Book 2), p. 190B, SN 7, SD 2, ED 10, enumerated 5 Jun 1900, official enumeration date 1 Jun 1900 (extracted by Diana Gale Matthiesen):¤•

1900:  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	8	9	10	11	12	13	14	15	16	17	19	20	22	23	24	25	27
*	515	118	151	Straub Valentine	Head	W	M	Feb 1832	68	M	40			OH	Ger	Ger			Farmer	0				R	H
				______ Walbarge/a	Wife	W	F	Feb 1827	73	M	40	8	7	Ger	Ger	Ger	1847	53			Y	Y	Y
*Ludlow St.