1 John P. GERKEN1,2,3 (1887-1991) [11400]. Born 24 Oct 1887, WI.1,2,3,4 Marr Bertha Elmen LEARNED 20 Dec 1911, Big Rapids, MI.1 Died 7 Jan 1991, Walker, MI.4
| 1 | "Michigan Marriage Records". |
| 2 | "1920 MI, Newago, Goodwell census". |
| 3 | "1930 MI, Newago, Goodwell census". |
| 4 | "Michigan Death Index, 1971-1996". |