2021 Relativity
2021 Relativity
Jan Jongsma(1805 - 31 Oct 1869)
Antje Hendriks de Jong(1810 - 1 Apr 1851)
Hendrik Jongsma
b. 12 Jan 1837
d. 15 Jun 1905
updated 3/27/21
copyright 2021 Jean Wisner Dupon