Johanna Julia Kan was a daughter of Izak Kan from Goor and Rachel Kaufman from Gennep. She was born 1 April 1913 in Goor and was unmarried. On 15 September 1930 Johanna, her mother and her 2-year older brother Nico moved from Goor to Rotterdam. Her father, who travelled for Messrs. Disco import and export, arrived already a few months earlier from Berlin in Rotterdam. During the time they stayed t…