Ricka Aronius was the youngest child of Abraham Aronius and Bertha Morpurgo. She was born 31 January 1939 in Amsterdam and had also a 4-year older brother.
Her father, Abraham Aronius was born in Beilen in the province of Drenthe but lived since 28 May 1928 already in Amsterdam in the Niasstraat 29.…
In addition, a Jokos file (number 20989) on this family is at the Amsterdam Municipal Archive. Access is subject to authorization from the Stichting Joods Maatschappelijk Werk.