2021 Relativity
2021 Relativity
Derk (Dick) Boersema(20 Jan 1872 - 22 Feb 1954)
Derktje Lanenga(31 Dec 1874 - 14 May 1955)
John Boersema
b. 17 Feb 1914
d. 16 Apr 1921
updated 3/27/21
copyright 2021 Jean Wisner Dupon