2. Wilhelmus Cornelis Van Helden was born on 27 Dec 1905. He died on 26 Mar 1965 in Manhasset NY. He married Jacoba Clementia Van Leeuwen in 1949. [Parents]
3. Jacoba Clementia Van Leeuwen was born on 17 Jan 1920 in Haarlemmermeer, Netherlands. She died on 8 Nov 1985 in Utrecht, Netherlands. [Parents]