 Margaretha Dorothea Flapper, daughter of Johannes Douwes Flapper and Sietsche Ettema.Born 16 Jun 1910 Workum, died 7 May 1990 Workum, age 79 years, buried Workum Married to:  Gysbert Hylkema, son of Lammert Durks Hylkema and Sjoerdtje Bouma.Born 25 Nov 1907 Koudum, died 16 May 2001 Workum, age 93 years, buried Workum Child: 1. Cecilia Hedwigis Juliana HylkemaBorn 4 Mar 1942 Het Heidenschap, died 5 Oct 1971 Sneek, age 29 years | |||