A marriage record dated March 2, 1898 was found for "Katie R. Klein" and "H. W. Ottow" - this is "Kitty Klein" who is the daughter of Julia Mohelnitzky Klein.

Julia Mohelnitzky married Anton Klein on Feb. 25, 1873 at St. Joseph Catholic Church, Milwaukee, Milwaukee County, Wisconsin. Julia Mohelnitzky Klein is a sister of Anton Mohelnitzky (born 1848, died 1893).

Anton Mohelnitzky married Mary Ruskauff on Feb. 6, 1872 at St. Anthony Catholic Church, Germantown, Richland County, Wisconsin.

Census records for 1900, 1910 and 1930 show "Catherine" Ottow, "Kathryn" Ottow, and "Catharine" Ottow. Her husband is listed as Henry W. Ottow. By 1930, Katie is widowed.

Here are the details for the marriage of Katie Klein and Henry Ottow:

Page: Milwaukee County, pre-1907, Volume 30, page 107, image 01806

No. 637
1. Full name of husband: H. W. Ottow
2. Full name of father of husband: J. "
3. Full name of mother of husband before marriage: S. Beadus [Beaders?]
4. Occupation of husband: Salesman
5. Residence of husband: Milwaukee
6. Birthplace of husband: Two Rivers, Wis.
7. Full name of wife previous to marriage: Katie R. Klein
8. Full name of the father of wife: Anton "
9. Full name of mother of wife, before marriage: Julia "
10. Birthplace of wife: Milwaukee
11. Time when marriage was contracted: Mar. 2 - 98 [March 2, 1898]
12. Place or town, and county where marriage was contracted: Milwaukee
13. The color of the parties: W [white]
14. By what ceremony contracted: C [Catholic]
15. Names of subscribing witnesses: G. Kline [Klein?]
J. H. Otten [Ottow?]
16. Name of person pronouncing marriage: Wm. F. Zuerner
17. Residence of person last named: Milwaukee
18. Date of certificate or affidavit of marriage: Mar 2 - 98 [March 2, 1898]
19. Date of registration: " 21 - 98 [March 21, 1898]
20. Any additional circumstances:
[signature] H A Verges [?]

More info about this family is here: http://violetblue20.googlepages.com/home