Complex sentence: The marriage is described as very happy and resulted in nine children, one the king's second daughter Magdalena, who married Ivar Axelsson (Tott), uncle of Ingeborg Tott.
Split into simpler sentences: The marriage is described as very happy and resulted in nine children. Their second daughter, Magdalena, married Ivar Axelsson (Tott), uncle of Ingeborg Tott.