Heinrich married Clara Welp 7 May 1902. Clara (daughter of Herman Heinrich Welp and Anna Marie «u»Elizabeth«-u» Kleiboeker) was born 1 Mar 1878, Hoyleton, Washington County, IL; was christened 7 Mar 1878, Trinity Lutheran, Hoyleton, Washington, Illinois, United States; died 28 Jan 1954, St. Louis, Missouri; was buried 31 Jan 1954, New Bethlehem Cemetery, St. Louis, MO. [Group Sheet]