2021 Relativity
2021 Relativity
Sjoerd de Jong(1 Feb 1855 - aft 1916)
Janke Dupon(21 Feb 1859 - 28 Feb 1916)
Gjalt de Jong
Fimke Krist
b. 21 Apr 1894
d. 4 Dec 1961
b. 15 Jun 1894
d. 6 Mar 1971
Children
Sjoerd de Jong(25 Apr 1923 - 15 Nov 1985)