Leentje Smeer was a daughter of Izaak Meijer Smeer and Esther Salomons van Gelderen. She married on 14 August 1889 in Amsterdam to Liepman van Hes, who passed away on 29 November 1934. The couple had seven children: Judith, Isaac, Mietje, Esther, Benjamin, Duifje and Gerrit.
City Archive of Amsterdam. family registration card of Liepman van Hes and website www.wiewaswie.