Rosina Bertha Helena Lankhout was a daughter of Eduard Lankhout and Jeannette Sophia van den Bergh.
Stadsarchief Amsterdam, archiefkaart Rosina Bertha Helena Lankhout
Rosina Bertha Helena Lankhout was a granddaughter of the well-known shoe manufacturer and council member Maurits van den Bergh from Den Bosch. Her father Eduard Lankhout was a director of the shoe factory at the start of the twentieth century.
S. ter Braake and P. van Trigt, Leerhandelaar, looier, lederfabrikant. Het succes van Joodse ondernemers in de Nederlandse lederindustrie (1870-1940), Menasseh ben Israel Studies III (Amsterdam 2010) 55-56
Rosina Bertha Helena Lankhout took her own life under pressure of the circumstances.
NIOD, Records Joodse Raad, box 36d, letter dd. 9 September 1942