BiographyConstance of Castile was born 1354 in Castrojeriz to Pedro I of Castile (1334-1369) and Maria de Padilla (c1334-1361) and died 24 March 1394 in Leicester Castle of unspecified causes. She married John of Gaunt, 1st Duke of Lancaster (1340-1399) November 1371 in Rochefort-sur-Mer. 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), Rurik (c832-879). Ancestors are from Spain, Portugal, France, the United Kingdom, Germany, Byzantium, Hungary, Belgium, Belarus, the Netherlands, Russia, Ukraine, the Byzantine Empire, Italy.
|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)|