Complex sentence: From 1280 and onwards he was given increasingly important roles in the government of Norway: he had his own seat on the king's council, was a stallare (lawyer), fehirde (tax minister) and a baron.
Split into simpler sentences: From 1280 and onwards he was given increasingly important roles in the government of Norway. He had his own seat on the king's council, was a lawyer ("stallare "), tax minister ("fehirde") and a baron.