Gerrit “Garrett” TeSelle was born in Holland, Lancaster County, Nebraska on 2 February 1878. He was the son of Jan Hendrik te Selle (1838-1921) and Hanna Berendina Onnink (1841-1929). He married Jana “Jennie” Wismer on 21 February 1901. Garrett and Jennie had 6 children together:
- Raymond Earl TeSelle (1901-1959) [Spouse: Edith TeSelle (1903-1993)]
- Pearl Geneva TeSelle (1904-1989) [Spouse: Henry te Kolste (1899-1974) ]
- Edith TeSelle (1906-2005) [Spouse: Clayton Wayne Eicher (1903-1975); George Eggena (1909- ) ]
- Lloyd Clarence TeSelle (1909-1994) [Spouse: Mildred Bellows ( ) ]
- Cecil J. TeSelle (1914-1934)
- Ivan John TeSelle (1916-1993) [Spouse: Blanche Liesveld (1918-1996)]
Garrett died on 31 August 1948 in Holland, Nebraska. Jennie Wismer TeSelle died on 3 May 1964. She is buried with Garrett in the Holland Cemetery, Holland, Lancaster County, Nebraska.