Estrid Bjørnsdotter also called Estrid Byrdasvend and Eldrid Bjarnesdatter[1] (12th century) was a Norwegian Queen consort, spouse of King Magnus V of Norway.
[2]
Estrid Bjørnsdotter was the daughter of Björn Byrdasvend and Rangrid Guttormsdotter, who was a possible descendant of Tostig Godwinson, the brother of the last Anglo-Saxon King of England Harold Godwinson. She was the widow of Tore Skinnfeld. She later married King Magnus V in the year of 1170, and thereby became queen of Norway.
Jirí Louda and Michael MacLagan, Lines of Succession: Heraldry of the Royal Families of Europe, 2nd edition (London, U.K.: Little, Brown and Company, 1999), table 24.