 Bertha Markus - ElcusBorn 23-6-1876 Amsterdam, Netherland. Daughter of Jacob Markus and Kaatje Elcus Married 3-10-1918 Amsterdam, Netherland to:  David Jacob Courlander - AronsBorn 28-6-1877 Den Helder, Netherland]. Occupation: Bookeeper, 1st marriage to: Catharina Philips - Sjouwerman, 2nd marriage to: Bertha Markus - Elcus. Son of Henri Courlander - Hove and Sara Hartog Arons - Kannewasser | |||