Marie of Hohenstaufen was a member of the Hohenstaufen dynasty, born around 1201. She was the daughter of Philip of Swabia, a Holy Roman Emperor, and Irene Angelos, a Byzantine princess. Marie's lineage connected her to both the German and Byzantine royal families, highlighting the political alliances of the time. In 1214, Marie married William II of Sicily, strengthening ties between the Hohenstaufen dynasty and the Kingdom of Sicily. Her marriage was part of a broader strategy to consolidate power in the region. Marie's life reflects the intricate web of dynastic politics in medieval Europe.