 Bishop Jörund (1285–1286) was transferred to Trondheim.A provincial council was held in 1380.Hamar remained an important religious and political centre in Norway, organized around the cathedral and the bishop's manor until the Reformation 1536-1537, when it lost its status as a bishopric after the last Catholic bishop, Mogens Lauritssøn (1513–1537), was taken prisoner in his castle at Hamar by Truid Ulfstand, a Danish noble, and sent to Antvorskov in Denmark, where he was mildly treated until his death in 1542.