Margiena Knorringa was the eldest of the four children of Mozes Knorringa and Helena Bendiks and was born in Uithuizen, province of Groningen on 7 March 1885. She had two other brothers: Sallie and Philippus and a sister Frouke. Philippus and Frouke have survived the Holocaust . Sallie and Margiena were killed during de Shoah.
Margiena married at the age of 27 on 5 May 1912 the 42-year old dealer …