 Sybrandus van der Werf, son of Dirk Douwes van der Werf and Marijke Dijkstra.Born 20 Dec 1899 Tjerkwerd, died 20 Jan 1983 Workum, age 83 years, buried Workum Married to:  Margaretha Juliane "Griet" Westendorp, daughter of Tjebbe Sibles Westendorp and Catharina H. van der Werf.Born 10 Nov 1901 Het Heidenschap, died 20 Apr 1930 Leeuwarden, age 28 years, buried Workum | |||