A picture of Abraham van Gelder can be found in H. Beem, De verdwenen Mediene : mijmeringen over het vroegere Joodse leven in de provincie (Amstelveen 1982)
Abraham van Gelder was married to Sibilla Heijmans. He and his wife lived at 22 Boschstraat in Winschoten until their deportation.
Abraham van Gelder enrolled at the Nederlands-Israëlietisch Seminarium in Amsterdam when he was 13 and sat for the first-level teacher's examination four years later. I…