JACOB HIRAM KNAPP, (son of Elias Jacob Knapp and Margaret Foust) was born 23 August 1849 in Florence Twp., Williams Co., Ohio, died 9 April 1933 in Sturgis, St. Joseph County, Michigan. Married 1st to ADELLA McBAIN in 1870, and 2nd to MARY EMILY TRACY in 1878, and 3rd to MARY SILVERTHORN in 1902. There were possibly two daughters from his first marriage.

Jacob Hiram and Mary Emily had 3 children:

1. CLARENCE HIRAM KNAPP, born 30 September 1879 in Northwest Twp., Williams Co., Ohio. Died 1957 in California. Married ANNA SPINNER.

2.VIOLA AMELIA KNAPP, born 19 October 1882 in Northwest Twp., Williams Co., Ohio. Died
14 August 1970 in Sturgis, St. Joseph Co., Michigan. Married EDGAR A. FILLMORE, born 28 October 1879 in Algansee Twp., Branch County, Michigan, and died 1 September 1967 in Sturgis, St Joseph Co., Michigan. They had 4 children.

3. ZOE JENNY KNAPP, born 14 August 1886 in Northwest Twp., Williams Co., Ohio. Died 11 October 1966 in Hillsdale Co., Michigan. Married ALMOND CLEVELAND, born 1877 in Michigan, died 1947 in Michigan. Zoe and Almond had 5 children.