GRANDPARENTS. Petrus Leonardus Zeestraten (1879-1936) and Apolonia Ruigrok (1886-1968). Petrus Leonardus Zeestraten  Apolonia Ruigrok ZEESTRATEN, ORIGIN. The oldest known ancestors of Petrus Leonardus come from nearby Noordwijk, Bloemendaal and are essentially Roman Catholic. He himself was born in Delft and buys a farm in 1915 with over 25 hectares of land in De Lier. The ancestors of Apolonia come from Wassenaar and are Roman Catholic. She herself was born in Pijnacker.