Elly Knaap/ Martheru PRIVACY FILTER Daughter of Otto Knaap and Rosalia Magdalena Martherus Marriage/ Related to: Emile Walter Catz/ Alber Born 24-12-1894 Groningen-Groningen, Netherland. Son of Bernard Leon Catz/ Enthove and Adele Charlotte Alberg\Alsberg/ Philipssoh |