Constança de Aragón was born 1343 to Pedro IV of Aragon (1319-1387) and Maria of Navarre (c1329-1347) and died July 1363 of unspecified causes. She married Frederick IV of Sicily (1341-1377) 11 April 1361 JL . Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Henry II of England (1133-1189)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
|Offspring of Constança de Aragón and Frederick IV of Sicily (1341-1377)|
|Mary of Sicily (1363-1401)||2 July 1363||25 May 1401 Lentini||Martin I of Sicily (c1375-1409)|