2021 Relativity
2021 Relativity
Derk Lanenga(18 May 1794 - 11 Apr 1871)
Siepke Smedinga(23 Aug 1799 - 1 Jun 1884)
Harm Lanenga
b. 23 Feb 1822, Bedum, Groningen
d. 1823
updated 3/27/21
copyright 2021 Jean Wisner Dupon