Gertrude of Dagsburg
Gertrude of Dagsburg was the reigning countess of Metz and Dagsburg between 1212 and 1225. She was duchess consort of Lorraine by marriage to Theobald. She was a trouvère.
She was the daughter and heiress of Albert II, count of Metz and Dagsburg. Wikipedia
Born: 1205
Died: March 30, 1225 (age 20 years)
Grandparents: Maria of Bohemia, Hugh II of Metz, Bertha of Tübingen, and more
Spouse: Theobald I of Navarre (m. 1220–1222)
Great-grandparents: Soběslav I, Duke of Bohemia, Adelaide of Hungary, Berengar II of Sulzbach, and more
Parents: Gertrude of Baden and Albert II de Dabo-Moha