Henri van Praag was a son of Zacharias van Praag and Schoontje Geleerd. He married 23 November 1916 Naatje Rood, a daughter of Izak Rood and Marianne Peekel. However, she died already 12 November 1918 and their daughter Susanna, born in 1917, died one week later, 19 November, only 2 ½ years old.

Henri van Praag remarried 19 November 1919 in Amsterdam Jeanette Salomons, a daughter of Isaac Salomons and Jette Salomons. They had three children; one daughter survived the Holocaust but Henriette and Zacharias have been killed during the Shoha.

Henri was born in a family of six children: he self, Evalina, Betje, Levie, Louis en David.

They too have been killed all during the Shoah.

City Archive of Amsterdam, archive card of Henri van Praag and website www.wiewaswie.nl.