 Geertruida (Geertje) Grondstra, daughter of Lieuwe Hylkes Grondstra and Liskjen Alberts Hogema.Born 29 Dec 1848 Heeg, died 14 Jul 1912 Harlingen, age 63 years, buried Harlingen Married 31 May 1877 Harlingen, age 28 years (married 35 years) to:  Gerhardus Antoon Knoop, age by marriage 28 years, son of Antonius Anskes Spijkermans Knoop and Acke Gerrits Hankes.Born 11 Nov 1848 Harlingen, died 28 Feb 1928 Harlingen, age 79 years, buried Harlingen Child: | |||