Marianne Schenkkan was the eldest child of Levie Schenkkan and Marianne Peper. She was born 10 August 1881 in Amsterdam and married there on 22 January 1902 Samuel Wennek, a so of Leendert Samuel Wennek and Catharina de Haag. The couple had four children, namely Leendert Samuël, Levie, Catharina and Mary.
The eldest child, Leendert Samuël Wennek, (also known as Wennik) married in 1928 the non-Jewish Maria Sophia Frederika Dickhout from Amsterdam, from whom he divorced on 26 May 1941. Since 1930 he lived in Zandvoort at Grote Krocht 22, but after the divorce, he moved in with his parents at Vechtstraat 125 1st floor in Amsterdam. On 17 May 1941 he married again to Rachel Klijnkragmer, a daughter of Emanuel Klijnkramer and Catharina Elsas. In 1942 their son Samuël Leendert was born, who has survived the Holocaust. Leendert Samuël Wennek/Wennik and his wife Rachel Klijnkramer have lost their lives in Auschwitz; Leendert Samuël on 31 March 1944 and Rachel on 3 September 1943.
Since his marriage on 31 March 1938 to Mathilda Kattenburg, their son Levie did not live at home anymore but together with his wife at another address. She was the daughter of Henri Kattenburg and Engltje Hijman. Both were killed in the Shoah; Levie presumably during a transport from Kutno to Dachau and Mathilde in Bergen Belsen. Their son Samuel has survived the Holocaust by going into hiding.
Of her daughter Catharina is known that she married 8 May 1929 in Amsterdam to the 25-year old brilliant polisher Jonas Groen, a son of Samson Groen and Betseij Digtmaker and that they have left Amsterdam for Cape Town on 18 May 1929. Furthermore nothing is known about them.
The youngest child, Mary Wennek, who was born 14 August 1923, was taken with her parents on 28 November 1942 to Westerbork, where they stayed till 18 May 1943. Attempts to escape deportation came to nothing and on 18 May they were put on transport to Sobibor. On arrival there on 21 May 1942, Samuel Wennek, his wife Marianne Schenkkan and their daughter Mary Wennek were immediately killed.
Sources among others: City Archive of Amsterdam, archive cards of Samuel Wennek (father), Marianne Schenkkan, Leendert Samuël Wennek/Wennik, Rachel Klijnkramer, Mary Wennek, Levie Wennek and Mathikda Kattenburg; family registration card of Samson Groen regarding Jonas Groen; certificates of death nrs. 143 and 144 for Mathilda Kattenburg and Levie Wennek, year 1948, register 11, Fol. 25 dated 3 September 1948 and the file cabinet of the Jewish Council, registration cards of Samuel Wennek (father), Mathilda Kattenburg, Leendert Samuël Wennek, Mary Wennek, Levie Wennek, Mathilda Wennek-Kattenburg and Samuel Wennek.