Otto III, a member of the House of Gorizia, was Duke of Carinthia and Count of Tyrol from 1295 until his death. He ruled jointly with his younger brothers Louis and Henry VI. Wikipedia
Born: 1265
Died: May 25, 1310 (age 45 years)
Children: Elizabeth of Carinthia, Queen of Sicily and Anne of Tirol
Grandchildren: Anne of Bavaria, Eleanor of Sicily, Frederick the Simple, and more
Partner: Euphemia of Silesia-Liegnitz (1297–) and Euphemia of Silesia-Liegnitz