Born ‎28-6-1804 Amsterdam, Netherland, died ‎after 1847‎, at least 43 years. Son of Alexander Elias van Praag - Zacharias and Marianne Isaac Koe - van Staveren‏

Born ‎± 1806 Utrecht, Netherland, died ‎28-11-1864 Utrecht, Netherland‎, approximately 58 years, ‎1st marriage to: Elias Alexander van Praag - Koe, ‎2nd marriage to: Zacharias Alexander Juda Kroonenberg - Fransman. Daughter of Samuel Hartog Lankhout and Roosje Jacob Swaab‏