Bertha Sylvia Lankhout was a daughter of Eduard Lankhout and Jeannette Sophia van den Bergh. She was married to Isidoor Mourits de Haas in 1916. Later she got married to another man.
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Bertha Sylvia 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 o…