Gertrud Liebenau, daughter of Sally Liebenau and Flora Liebenau-Wilhelm, arrived 26 June 1936 from Berlin in Den Haag, together with her husband and son, living for the time being in Hotel de Greef at Gevers Deynootweg 59. Her husband, Eduard van der Sluis, son of Hijman van der Sluis and Mijntje van Geldere, born 1897 in Rotterdam, has been “ officially de-registered” 28 February 1917 from the Ro…