2021 Relativity
2021 Relativity
Anne Westerhof(1848 - 1 Nov 1910)
Ytje Douwes Bergsma(1855 - 27 Oct 1910)
Grietje Westerhof
b. 23 Jun 1878
d. 28 Sep 1904
updated 3/27/21
copyright 2021 Jean Wisner Dupon