There is a picture of Mozes (Maupie) Nieweg in: J. Bottema, Ze waren onder ons: 300 jaar joden in Delfzijl 1642-1942 (Delfzijl 1980) 35
On 26 February 1814 King William I decreed that the Nederlandsch Israëlitisch Seminarium (NIS) was to be established in Amsterdam to train rabbis, teachers and other officers serving the Jewish community.
Mozes Nieweg, son of Aron, attended the NIS.