Born ‎± 1873 Rotterdam, Netherland‎. Daughter of Dirk Blokland and Maartje Hilkemeijer‏

Born ‎22-5-1875 Amsterdam, Netherland‎. Occupation: Buyer, ‎1st marriage to: Charlotte Jacoba Blokland - Hilkemeijer, ‎2nd marriage to: Wilhelmina Catharina Ulrich - Tolsma. Son of Alexander van Praag - Frank and Rachel Adelaar - van Sisteren‏