Huijgenspark 55, Den Haag Previous house Next house Residents in April 1942 Bernard Frank 1877 - 1942 Sara Frank-van Gelderen 1883 - 1943 Residents in April 1942 Sara de Hartogh-van Gelderen 1883 - 1942 Reina Sophia de Hartogh 1914 - 1943 Family member of Widow Sara de Hartogh-van Gelderen and her family date unknown