 Rosette de Boer - VerdonerBorn 4- Jun 1872 Amsterdam, Netherland. Daughter of Abraham Isaac de Boer - van Emden and Naatje Emanuel Verdoner - Gompers Married to:  Abraham Viskoop - de GrootBorn 3-10-1874 Amsterdam, Netherland, died 31-8-1942 Auschwitz-Katowice, Poland, 67 or 68 years. Son of Meijer Samuel Viskoop and Schoontje Levie de Groot | |