2021 Relativity
2021 Relativity
Hendrik Haayes Pietersma(17 May 1872 - 20 Feb 1940)Hendrikus Harmens de Vries(18 May 1872 - 29 May 1947)
Grietje Dupon(4 Oct 1875 - 27 Sep 1961)Trijntje Riemers Riemersma(18 Oct 1875 - 4 Aug 1923)
m. 10 May 1928, Tietjerksteradeel, Friesland
Haaye Pietersma
Jikke de Vries
b. 8 Dec 1901, Huizum, Friesland
d. 21 Jun 1974, Bergum, Friesland
b. 28 Oct 1902, Suameer, Friesland
d. 3 Aug 1965, Surhuizum, Friesland
Children