Hartog Baars was married to Esther Robles. The couple lived in the President Brandstraat 62 II in Amsterdam.
Municipal Archives Amsterdam, Jokos-archive, Möbel-claim 40086; owned by Joods Maatschappelijk Werk
In January 1942, an obituary was placed in Het Joodsche Weekblad for Hartog Baars.
Het Joodsche Weekblad, 9 January 1942, 9