Ingeborg of Norway (Old Norse: Ingibjörg Hákonardóttir; Swedish: Ingeborg Håkansdotter; Norwegian: Ingebjørg Håkonsdatter; 1301 – 17 June 1361) was a Norwegian princess and by marriage a Swedish royal duchess with a position in the regency governments in Norway (1319–1327) and Sweden (1319–1326) during the minority of her son, King Magnus Eriksson. In 1318–1319, she was Sweden's de facto ruler, and from 1319 until 1326, she was Sweden's first de jure female regent. Her role in northern European history is considered of major importance. Life. Early life.
https://en.wikipedia.org/wiki/Ingeborg_of_Norway