Jacob Gervas Simpelaar
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- 1 Jacob Gervas Simpelaar
- Mary Jennie Christiansen
- 2 Clyde Sterling Simpelaar b. 26 Jan 1902 d. 5 May 1996
- Patti Alice Lenore Bloedel b. 3 Nov 1900 d. 2 Jan 1967
- 2 Clyde Sterling Simpelaar