Gertrude of Bavaria was Duchess of Swabia as the spouse of Duke Frederick IV, and Queen of Denmark as the spouse of King Canute VI.
Gertrude was born to Henry the Lion of Bavaria and Saxony and Clementia of Zähringen in either 1152 or 1155. Wikipedia
Born: 1154
Died: June 1, 1197 (age 43 years)
Parents: Henry the Lion and Clementia of Zähringen
Spouse: Canute VI of Denmark (m. 1177–1197) and Frederick IV, Duke of Swabia (m. 1166–1167)
Great-grandparents: Lothair III, Holy Roman Emperor, Richenza of Northeim, Henry IX, Duke of Bavaria, and more