Eric Magnusson was a Swedish prince, Duke of Svealand, Södermanland, Dalsland, Västergötland, Värmland and North Halland and heir to the throne of Sweden. His son, Magnus, became king of Norway and Sweden.
Duke Eric's image on his royal seal
A 1437 painting of Eric rescuing Saint Bridget's mother from a shipwrecking
Magnus IV was King of Sweden from 1319 to 1364, King of Norway as Magnus VII from 1319 to 1355, and ruler of Scania from 1332 to 1360. By adversaries he has been called Magnus Smek.
Magnus on the title page of his Swedish national lawcode (issue 1430).
King Magnus's shipwreck from a Russian manuscript
Head from Trondheim thought by Professor Jan Svanberg to be King Magnus.
Image: Eric of Sweden (1339) seal 1905