2021 Relativity
2021 Relativity
Derk (Dick) Boersema(20 Jan 1872 - 22 Feb 1954)
Derktje Lanenga(31 Dec 1874 - 14 May 1955)
m. 12 Apr 1940
Ralph Wiltjer
Jennie Boersema
b. 20 Apr 1909
d. 24 Dec 1959
b. 30 Apr 1912
d. 24 Apr 1980