 Hylke Grondstra, son of Wopke Hylkes Grondstra and Jantje Jans Noppert.Born 22 Sep 1844 Heeg, died 13 Feb 1915 Woudsend, age 70 years, buried St. Nicolaasga Married to: Children: 1.  Jantje GrondstraBorn 1 Mar 1873 Woudsend, died 26 Sep 1955 Bussum, age 82 years, buried Bussum | |||