 Bernardus Kolkena, son of Johannes Kolkena and Grietje "Margaretha" Boon.Born 1887 Kloosterburen Married 7 Nov 1918 Kloosterburen, age 30 or 31 years (married 6 years) to:  Grietje van den Akker, age by marriage 32 years, daughter of Pieter van den Akker and Maartje Beers.Born 22 Feb 1886 Nieuw Vennep, died 23 Jun 1925 Groningen, age 39 years, buried 27 Jun 1925 Kloosterburen | |||
| 2nd marriage Bernardus Kolkena, son of Johannes Kolkena and Grietje "Margaretha" Boon. Married 7 May 1927 Uithuizen, age 39 or 40 years to: Johanna Maria Lietmeijer, age by marriage 30 or 31 years, daughter of Jozef Lietmeijer and Grietje Kuiper.Born 1896 Uithuizen | |||