Constance of Aragon (d. 1222)

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Constance of Aragon (d. 1222)

Holy Roman empress and queen of Sicily. Died on June 23, 1222; daughter of Sancha of Castile and Leon (1164–1208) and Alphonso II (1152–1196), king of Aragon (r. 1164–1196); married Emeric, king of Hungary (r. 1196–1204); became first wife of Frederick II (1194–1250), Holy Roman emperor (r. 1212–1250) and king of Sicily (r. 1197–1250), in February 1210; children: (first marriage) Ladislas III, king of Hungary (r. 1204–1205); (second marriage) Henry VII, king of Germany (d. 1242); Constance-Anna of Hohenstaufen (who married John III Dukas Vatatzes, Nicaean emperor [r. 1222–1254]). Frederick II's second wife was Yolande of Brienne (1212–1228); his third was Isabella of England (1214–1241).