He was the son of King Christian III of Denmark and Norway and Dorothea of Sachsen-Lauenburg.
He was married to Sophia of Mecklenburg-Güstrow. They had 5 children.
He rebuilt Kronborg castle in Elsinore between 1574 and 1585. In 1576 he founded Fredrikstad in Norway. This was a period of affluence and growth in Danish history. Frederick was also a major patron of the famous astronomer Tycho Brahe
|List of Danish monarchs||