Flag of the Province of Zeeland. Cornelius Janse Vanderveer (Rob's 8th great grandfather) was an immigrant to Brooklyn. He was at least the fourth generation of his family to have lived in the Netherlands province of Zeeland. His daughter, Jacoba, and her husband Jan Willemse Kouwenhoven were both born in Nieuw Amersfoort (Flatlands, Brooklyn, NY), and were Rob's 7th great grandparents. Jan was the great grandson of original Dutch settler Wolphert van Kouwenhoven.