Marriage: Grietje van der Velde 14 May 1929, Wymbritseradeel Friesland Netherlands
Died: May 1976
Johannes married Grietje van der Velde, daughter of Jouke Sybrens van der Velde and Trijntje Pieters van der Velde, on 14 May 1929 in Wymbritseradeel Friesland Netherlands. (Grietje van der Velde was born on 17 Mar 1906 and died on 16 Aug 1992 in Bolsward Friesland Netherlands.)
