Known relations
Parents
Unknown parent
Siblings

Clara Bloemendal-Coster

Mietje de Groot-Coster

Louis de Groot
Children

Sophie de Groot

Fritz Louis Jozeph de Groot
Other relatives
No other family known yet
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The address of Mietje de Groot-Coster
Van Musschenbroekstraat 213, Den Haag Visit location page
Residents
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Louis de Groot
1901 -1942 -
Mietje de Groot-Coster
1900 -1942 -
Fritz Louis Jozeph de Groot
1931 -1942 -
Sophie de Groot
1934 -1942