Yolande of Brienne (1212–1228)
Yolande of Brienne (1212–1228)
Holy Roman empress and titular queen of Jerusalem. Name variations: Yolande de Brienne; Yolanta; Isabella II; Isabel II of Jerusalem. Born in 1212; died in 1228; daughter of Marie of Montferrat (d. 1212) and John I of Brienne, king of Jerusalem (r. 1210–1225); second wife of Frederick II (1194–1250), Holy Roman emperor (r. 1215–1250) and king of Jerusalem (r. 1225–1250); children: Conrad (1228–1254), king of Jerusalem (r. 1250–1254), king of Naples and Sicily (r. 1250–1254), and Holy Roman emperor as Conrad IV (r. 1250–1254). Frederick II's first wife was Con-stance of Aragon (d. 1222); his third was Isabella of England (1214–1241).
Yolande of Brienne died at age 16, following the birth of her son Conrad, later king of Jerusalem, Naples and Sicily, and Holy Roman emperor as Conrad IV.