Frederick Carl Klaus
- Born: Cir 1876, Wisconsin
- Marriage (1): Mary Grace Winterstein
- Buried: White Creek Cemetery, White Creek, Adams County, Wisconsin
 General Notes:
1910 Census for Easton Township, Adams County, Wisconsin, Dwelling #69, Family #73
Frederick married Mary Grace Winterstein, daughter of Jacob Wintersteen and Hannah Ann Moore. (Mary Grace Winterstein was born on 10 Jul 1876 in Adams County, Wisconsin, died on 25 Mar 1957 in Friendship, Adams County, Wisconsin and was buried in White Creek Cemetery, White Creek, Adams County, Wisconsin.)
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