BiographyConstance of Castile was born 1354 in Castrojeriz, Spain to Pedro I of Castile (1334-1369) and Maria de Padilla (c1334-1361) and died 24 March 1394 in Leicester Castle, Leicester, Leicestershire, England, United Kingdom of unspecified causes. She married John of Gaunt, 1st Duke of Lancaster (1340-1399) November 1371 JL in Roquefort, France. Notable ancestors include Charlemagne (747-814), Henry II of England (1133-1189), William I of England (1027-1087), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from Spain, Portugal, France, the United Kingdom, Germany, Hungary, Belgium, the Netherlands, Russia, Ukraine, Italy, Turkey, the Byzantine Empire, Sweden.
|Offspring of Constance of Castile and John of Gaunt, 1st Duke of Lancaster (1340-1399)|
|Katherine of Lancaster (1372-1418)||6 June 1372 Hertford Castle, Hertford, Hertfordshire, England, United Kingdom||2 June 1418 Valladolid, Spain|| Henry III of Castile (1379-1405)|
|John of Lancaster (1374-1374)|
Namesakes of Constance of Castile (1354-1394)