Herman Kuijper was the youngest son of Hartog Mozes Kuijper and Elisabeth Gotlib, who had a family with twelve children and lived in Grave. Herman Kuijper was a vendor and has sold his merchandise among others for a short time in 1927 at the streetmarket at Dapperstaat in Amsterdam. He married 19 October 1921 in Amsterdam Bertha Meijer from Rotterdam, a daughter of Salomon Meijer and Henriette Cohen. Herman's wife however passed away on 10 November 1937 in Amsterdam and since then Herman resided at various addresses; before he moved on 4 August 1939 into the "Nursing home Amsteldijk" at Amsteldijk 87 hs , he stayed a few months at Middenweg 62 hs. On 11 February 1943 he moved to the "Old Men's Home" from the "Vedder Foundation" at Weesperstraat 41-43. Shortly after that Herman Kuijper has been deported to Sobibor where he was killed on 13 March 1943.
Of the other eleven childeren of the Kuijper family from Grave were already deceased nine before the war, has one son survived the Holocaust a few years and one daughter, Elisabeth Polak-Kuijper has died in Groningen during the years of war. She had two children, who each have been killed with their families in the Shoah.
City Archive of Amsterdam, archive card of Herman Kuijper, Peoples Registry of Grave 1861-1880, website Allegroningers.nl and website www.joodsamsterdam/synagoge_weesperstraat_vedderstichting.nl.