The Kothoffs, ca. 1895. Top left to right Henriette, Izaak, Jeltje, Benedictus, Israël. Bottom Jacob, Samuel, Martha Lezer (holding son Abraham who resided in the Dutch East Indies on her lap), Betje and Hendrika. (photo M. v.d. Vathorst) F.J. Hulst en H.M. Luning, De Joodse gemeente Assen. Geschiedenis van een behoorlijke kille, 1740-1976 (2e druk; Assen 1993) 111.
Henriette Kolthoff was the daughter of Benedictus Abraham Kolthoff and Martha Lezer.
Addition of a visitor of the website
This person is commemorated on a memorial in Assen. More information on this memorial can be found (in Dutch) on the website of the Nationaal Comité 4 en 5 mei.