2021 Relativity
2021 Relativity
Jelle de Vries(23 May 1853 - 4 Nov 1920)
Trijntje Dupon(18 Jan 1857 - 23 Dec 1935)
Pieter Jansma
Janke de Vries
b. 23 Jan 1883
d. 10 Jun 1965
b. 31 Dec 1894
d. 22 Dec 1980
Children
Jan Jansma(13 May 1931 - 17 Jul 2000)