Mietje Koppens-de Wit was the widow of Jacob Koppens.
Phocas Kroon, De joodse gemeenschap in Eindhoven 1940-1945(2003, in eigen beheer uitgegeven) p. 64
Mietje Koppens-de Wit is included on a list of names of the cemetery in the Jewish Community of Vught. The date of death is given as 13 February 1943.
Jewish Historical Museum, Documents collection, invnr 5109