Hartog Swaluw was a son of Isaac Swaluw and Maria Melkman. 30 October 1935 he married in Rotterdam Jette Michelsohn, a daughter of Jacob Michelsohn and Malia Hartog. 20 May 1936 their son Isaac was born. Their first address in Rotterdam was 79b, where also in Ocober 1935 - after the passing of his wife Malia Hartog - his father-in-law came living in for some time. 4 December 1935 the Swaluw fami…