 Johannes Kolkena, son of Johannes Jans Kolkena and Trientje Tomas van Dijk.Born 1840 Kloosterburen Married 8 Mar 1886 Uithuizen, age 45 or 46 years to:  Grietje "Margaretha" Boon, age by marriage 27 or 28 years, daughter of Jan Boon and Jantje Baar.Born 1858 Uithuizen Child: | |||