 Jan Yntema, son of Ulbe Yntema and Catharina Boersma.Born 13 Oct 1878 Greonterp, died 10 Sep 1953 Beverwijk, age 74 years Married 20 May 1905 Workum, age 26 years (married 48 years) to:  Helena de Jong, age by marriage 29 years, daughter of Tjitte Rinzes de Jong and Getje Eelkes de Jong.Born 16 Jul 1875 Workum, died 6 Apr 1955 Beverwijk, age 79 years, buried Beverwijk Child: 1. Geertruida Catharina YntemaBorn 10 May 1906 Workum, died 2 Jul 1984 Roosendaal, age 78 years | |||