Maria of Brabant, a member of the House of Reginar, was Holy Roman Empress from 1214 until 1215 as the second and last wife of the Welf emperor Otto IV. Wikipedia
Born: 1190
Died: June 1260 (age 70 years), Canossa Pillar, Bad Harzburg, Germany
Spouse: William I, Count of Holland (m. 1220) and Otto IV, Holy Roman Emperor (m. 1214–1218)
Great-grandparents: Godfrey II, Count of Louvain, Matilda I, Countess of Boulogne, Stephen of England, and more