Valdemar, Duke of Finland
Valdemar Magnusson was a Swedish prince, heir to the throne of Sweden, and Duke of Finland. Wikipedia
Born: 1280
Died: February 16, 1318 (age 38 years), Nyköpingshus, Nyköping, Sweden
Parents: Magnus III of Sweden and Hedwig of Holstein
Partner: Ingeborg, Duchess of Öland (1312–), Kristina Torgilsdotter (1302–), and Kristina Torgilsdotter
Great-grandparents: Eric X of Sweden, Magnus Minniskiöld, Ingrid Ylva, and more
Cousins: Erik Valdemarsson, Richeza of Sweden, Duchess of Poland, Rixa of Werle, and more
Grandparents: Birger Jarl, Ingeborg Eriksdotter of Sweden, Gerhard I, Count of Holstein-Itzehoe, and more