Jacob Delmonte was a son of Emanuel Delmonte and Betje Mendels. He married Grietje Nunes Cardozo in Amsterdam on 6 August 1941, a daughter of David Nunes Cardozo and Veronika Haag. The couple had a son, born on 24 March 1943, who has survived the Holocaust by hiding. Jacob self was killed in Auschwitz on 31 March 1944; his wife Grietje has been killed there already on 30 November 1943.
Jacob's father, Emanuel Delmonte passed away on 8 November 1918 and was interred in the Portuguese Israelitic Cemetery Beth Haim at Ouderkerk a.d. Amstel but his mother was killed on 14 September 1942 in Auschwitz.
Jacob's brother Salomon, who was unmarried, has been killed already in Auschwitz on 11 August 1942; his sister Mina was killed in Sobibor on 4 June 1943, together with her husband and two children.
When he was 2 yeas old, Jacob's brother Abraham was placed in 1910 as fosterson in the family of his mother's brother Emanuel Mendels and his wife Elsje Davidson, who resided in Wolvega. When the German troups invaded the Netherlands in May 1940, Abraham served as a sergeant with the guards. He was stationed in Amsterdam. After the capitulation of the Netherlands, he took his own life on 15 May 1940.
City Archive of Amsterdam, archive cards of Jacob Delmonte, Betje Mendels, Grietje Nunes Cardozo, an addition of a visitor of the website and W.H. de Vries, ’De oorlog in Stellingwarven‘, in: De Ovend. Stellingwarfs Tiedschrift, nr 32, 17-19.