Celina Sturkop, who was born on 14 April 1911 in Amsterdam, was a daughter of Alexander Sturkop and Hanna Lopes de Leao. She was a tiemaker by profession. In 1914, her brother Lodewijk was born. On 18 September 1929 she married in Amsterdam Joseph van Kreeveld, who was born on 20 April 1910 as a natural son of Hendrica van Kreveld. On 23 January 1930 Joseph and Celina had a daughter, named Hendric…