Isidore van Abbe, who was born on 4 October 1902 in Amsterdam as son of Emanuel van Abbe and Mietje van den Bergh, married Betsy Velleman in Haarlem on 19 September 1929. She was born there on 21 March 1902 as daughter of Levie Velleman and his second wife Saartje Slagter. The couple had one daughter, namely Emilie Louise, who was born 21 April 1932 in Amsterdam. Usually she was called Milly.
Isidore van Abbe worked as warehouse clerk at the Bijenkorf in Amsterdam and later as a salesman. After Isidore and Betsy were married in 1929, they moved into a house at Waalstraat 10 1st floor in Amsterdam-South. On 6 June 1933, after the birth of their daughter, the Van Abbe family moved to Haarlem, at first to the Judith Leysterstraat 22 and later to the Van Zeggelenstraat 126 in the Old Amsterdam district of Haarlem-East.
On 14 May 1940 the Van Abbe family came to Amsterdam, where they lived at Van Woustraat 216 1st floor. It is most likely that at some point they went into hiding, however documents from archives don’t evidence this. But the fact that Isidore, his wife Betsy and their daughter Emilie only were brought to Westerbork on 6 January 1944, where they were locked up in the penal barrack 67, makes it plausible that they have been betrayed during their hiding and arrested at the end of 1943.
On 25 January 1944, Isidore van Abbe, his wife Betsy Velleman and their daughter Emilie Louise (Milly) van Abbe were deported from Westerbork to Auschwitz in a so-called penal transport , and on arrival there on 28 January 1944, they were immediately killed in the gas chambers of Auschwitz-Birkenau.
Sources includes the City Archive of Amsterdam, family registration cards of Isidore van Abbe and Emanuel van Abbe, archive cards of Isidore van Abbe and Betsy Velleman; the file cabinet of the Jewish Council, registration cards of Isidore van Abbe, Betsy van Abbe-Velleman and Emilie Louise van Abbe and the wikipedia listing of jodentransporten vanuit Nederland.nl