Gaston I de Foix-Grailly was born on an unknown date to Archambaud de Grailly (c1330-1412) and Isabelle de Foix (c1361-1428) and died after 1455 of unspecified causes. He married Marguerite d'Albret (c1390-c1437) . Notable ancestors include Henry II of England (1133-1189), William I of England (1027-1087), Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899). Ancestors are from the United Kingdom, France, Germany, Russia, Ukraine, Spain, Belgium, Hungary, the Netherlands, England, Italy, Turkey, the Byzantine Empire, Sweden.


Offspring of Gaston I de Foix-Grailly and Marguerite d'Albret (c1390-c1437)
Name Birth Death Joined with
Jean IV de Foix-Grailly (-1485) 1485 Margaret de la Pole (1426-aft1484)

Isabelle de Foix-Grailly (?-1504)
Agnes de Foix-Grailly (?-?)


Namesakes of Gaston I de Foix-Grailly (-aft1455)

 Birth placeDeath placeFatherMotherJoined with
Gaston I de Foix (1287-1315)Roger-Bernard III de Foix (1243-1303)Marguerite de Béarn (c1247-aft1310)Jeanne d'Artois (c1289-aft1347)
Gaston de Foix-Candale (-1500)Jean IV de Foix-Grailly (-1485)Margaret de la Pole (1426-aft1484)Catherine de Foix (aft1460-bef1494) + Isabelle d'Albret (-)
Gaston I de Foix-Grailly (-aft1455)Archambaud de Grailly (c1330-1412)Isabelle de Foix (c1361-1428)Marguerite d'Albret (c1390-c1437)
Gaston IV de Foix (1423-1472)RoncesvallesJean I de Foix (1382-1436)Jeanne of Albret (1403-1435)Eleanor of Aragon (1426-1479)
Gaston de Foix (1444-1470)LibourneGaston IV de Foix (1423-1472)Eleanor of Aragon (1426-1479)Magdalena de Valois (1443-1486)

Footnotes (including sources)