 Johannes Lieuwes Ketelaar, son of Lieuwe Rintjes Ketelaar and Dorothea (Dutje) Gerbens van der Werf.Born 20 Aug 1833 Workum, died 14 Jan 1870 Workum, age 36 years Married 3 May 1856 Workum, age 22 years (married 13 years) to:  Heeredina Johannes de Vries, age by marriage approximately 20 years, daughter of Johannes de Vries and Catharina Wolthuis.Born ± 1836 Workum | |||