Joachim Peper was a son of Eliazer Peper and Saartje Gompers. He was born 21 June 1868 in Amsterdam and besides a dealer, he was also a diamond cutter by profession. On 4 October 1888 he married in Amsterdam Sophia Barmes, born 29 April 1868 as a daughter of Abraham Joseph Barmes and Jansje Levie Mossel. From this marriage, three children were born; the second child, Rosette Peper died on 26 January 1892, only 11 months old. The other two children, Sara, also known as Stella, who was born 4 February 1889 and Eliazer Joachim, born 19 January 1893, were killed during the Shoah in Sobibor.
In 1921, Joachim Peper and Sophia Barmes and both their children and their in 1917 born granddaughter Sophia (daughter of the unmarried Sara Peper) left Amsterdam for Belgium, stayed in Antwerp, Berchem and Wilrijk and moved on from there to Paris. There, Joachim’s spouse Sophia Barmes passed away on 31 July 1930.
As far as could be ascertained, Joachim Peper returned to Belgium, where he stayed in Wilrijk. During that time he met the non-Jewish Sara Gesina Cornelia Cooijmans, who was born 20 April 1880 in Amsterdam as the daughter of Pieter Jacob Cooijmans and Cornelia Polman Tuin. Joachim and Sara Gesina returned together to Amsterdam on 18 March 1937 and on 11 August of that year, they got married. From 1938, they lived in the Pieter Vlamingstraat 66 2nd floor in Amsterdam-East.
Joachim Peper passed away during the war in Amsterdam on 26 March `1943 and was interred in the Jewish Cemetery in Diemen. His second spouse died in Amsterdam too on 30 June 1943.
Sources among others: City Archive of Amsterdam, family registration card of Joachim Peper, archive cards of Joachim Peper and Sara Gesina Cornelia Cooijmans; Finished collection family registration cards 1892-1920/Joachim Peper; website hetstenenarchief.nl/grave Joachim Peper and the Dossier of Foreigners of the City of Antwerp, nr. 166793 image 608-611.