 Lena van Blankenstein/ van GeldeBorn 1887 Woerden, Netherland. Daughter of Louis van Blankenstein and Roosje van Gelder/ de Jon Marriage/ Related to:  Simon de Beer/ van den BerBorn 1889 Rotterdam, Netherland. Son of Barend Salomon de Beer - Gazan and Marianna Simon van den Berg/ Gaza | |