Siegmond van Thijn was the son of Barend van Thijn and Esther Troostwijk. He married Sara Fonteijn on 15 April 1942. He moved in with his parents-in-law after 1941.
Addition of a visitor of the website
Siegmond van Thijn was the son of Barend van Thijn and Esther Troostwijk. He married Sara Fonteijn on 15 April 1942. He moved in with his parents-in-law after 1941.
Addition of a visitor of the website