2021 Relativity
2021 Relativity
Karel Manni(9 Feb 1870 - 23 Jul 1952)
Jacoba (Cora) de Ruiter(20 Apr 1872 - 30 Sep 1967)
m. 1 Jun 1926, Grand Rapids, MI
Hermanus Willard Manni
Frances Baas
b. 23 Dec 1903, Grand Rapids, MI
d. 23 Dec 1976
b. 4 Jan 1905
d.