Plantage Muidergracht 39 I, Amsterdam Previous house Next house Residents in February 1941 Alexander van Praag 1889 - 1943 Marianna Ludovica van Praag-Koperberg 1889 - 1943 Lion van Praag 1922 - 1942 Louis van Praag 1921 - 1942 Child of Alexander van Praag and his family date unknown Catharina van Praag 1930 - 1943