Paternal Family Tree: Grailly
Maternal Family Tree: Mathilda of Tubingen
Francis I King Navarre succeeded I Count Foix.
On 7th March 1461 [his father] Gaston V Count Foix [aged 18] and [his mother] Magdalena Valois Countess Foix [aged 17] were married. She by marriage Countess Foix. She the daughter of [his grandfather] Charles "Victorious" VII King France [aged 58] and [his grandmother] Marie Valois Anjou Queen Consort France [aged 56]. He the son of Gaston IV Count Foix [aged 38] and Eleanor Trastámara Queen Consort Navarre [aged 35]. They were third cousin once removed.
On 4th December 1467 Francis I King Navarre was born to Gaston V Count Foix [aged 24] and Magdalena Valois Countess Foix [aged 24].
In 1470 [his father] Gaston V Count Foix [aged 27] was killed in a tournament.
In 1479 Francis I King Navarre [aged 11] succeeded I King Navarre.
On 7th January 1483 Francis I King Navarre [aged 15] died. His sister Catherine [aged 15] succeeded I Queen Navarre, Countess Foix.
Kings Wessex: Great x 14 Grand Son of King Edmund "Ironside" I of England
Kings Godwinson: Great x 12 Grand Son of King Harold II of England
Kings England: Great x 7 Grand Son of King Henry III of England
Kings Scotland: Great x 11 Grand Son of King David I of Scotland
Kings France: Grand Son of Charles "Victorious" VII King France
Kings Duke Aquitaine: Great x 17 Grand Son of Ranulf I Duke Aquitaine
Kings Spain: Great Grand Son of John II King Aragon
Great x 4 Grandfather: Peter Grailly
Great x 3 Grandfather: Peter Grailly
Great x 2 Grandfather: Archambaud Grailly Count Foix
Great x 1 Grandfather: John I Count Foix
Great x 2 Grandmother: Isabelle Countess Foix
Grandfather: Gaston IV Count Foix
Great x 2 Grandfather: Charles Albret
Great x 1 Grandmother: Jeanne Albret Countess Foix
Great x 2 Grandmother: Marie d Louis and Isabel Craon Sully
father: Gaston V Count Foix Grandson of John II King Aragon
Great x 4 Grandfather: Henry "Fratricide" II King Castile 
5 x Great Grandson of Alfonso II King Aragon
Great x 3 Grandfather: John I King Castile 3 x Great Grandson of King Louis IX of France
Great x 4 Grandmother: Juana Manuel Queen of Castile 2 x Great Granddaughter of King Louis IX of France
Great x 2 Grandfather: Ferdinand I King Aragon 4 x Great Grandson of King Louis IX of France
Great x 4 Grandfather: Peter IV King Aragon 
3 x Great Grandson of King Louis VIII of France
Great x 3 Grandmother: Eleanor Barcelona Queen Consort Castile 4 x Great Granddaughter of King Louis VIII of France
Great x 4 Grandmother: Eleanor of Sicily Queen Consort Aragon 3 x Great Granddaughter of King Louis VIII of France
Great x 1 Grandfather: John II King Aragon -2 x Great Grandson of John II King Aragon
Great x 4 Grandfather: Alfonso "Avenger" XI King Castile 4 x Great Grandson of Alfonso II King Aragon
Great x 3 Grandfather: Sancho Alfonso Ivrea 5 x Great Grandson of Alfonso II King Aragon
Great x 4 Grandmother: Eleanor Guzman
Great x 2 Grandmother: Eleanor of Alberquerque Queen Consort Aragon 6 x Great Granddaughter of Alfonso II King Aragon
Great x 4 Grandfather: Peter I King Portugal 
4 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandmother: Beatrice Burgundy 5 x Great Granddaughter of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Inês Castro
Grandmother: Eleanor Trastámara Queen Consort Navarre daughter of John II King Aragon
Great x 4 Grandfather: Philip "Noble" III King Navarre 
Grandson of King Philip III of France
Great x 3 Grandfather: Charles "Bad" II King Navarre Grandson of Louis X King France I Navarre
Great x 4 Grandmother: Joan Capet II Queen Navarre daughter of Louis X King France I Navarre
Great x 2 Grandfather: Charles III King Navarre Grandson of King John "The Good" II of France
Great x 4 Grandfather: King John "The Good" II of France son of King Philip "Fortunate" VI of France
Great x 3 Grandmother: Joan Valois Queen Consort Navarre daughter of King John "The Good" II of France
Great x 4 Grandmother: Bonne Luxembourg Queen Consort France 
7 x Great Granddaughter of King William "Conqueror" I of England
Great x 1 Grandmother: Blanche Évreux Queen Consort Aragon Great Granddaughter of King John "The Good" II of France
Great x 4 Grandfather: Alfonso "Avenger" XI King Castile 4 x Great Grandson of Alfonso II King Aragon
Great x 3 Grandfather: Henry "Fratricide" II King Castile 5 x Great Grandson of Alfonso II King Aragon
Great x 4 Grandmother: Eleanor Guzman
Great x 2 Grandmother: Eleanor of Castile Queen Consort Navarre 3 x Great Granddaughter of King Louis IX of France
Great x 4 Grandfather: Juan Manuel Prince of Villena 3 x Great Grandson of Alfonso VII King Castile VII King Leon
Great x 3 Grandmother: Juana Manuel Queen of Castile 2 x Great Granddaughter of King Louis IX of France
Great x 4 Grandmother: Blanca de la Cerda y Lara Great Granddaughter of King Louis IX of France
Francis I King Navarre Grandson of Charles "Victorious" VII King France
Great x 4 Grandfather: King Philip "Fortunate" VI of France Grandson of King Philip III of France
Great x 3 Grandfather: King John "The Good" II of France son of King Philip "Fortunate" VI of France
Great x 4 Grandmother: Joan "Lame" Burgundy Queen Consort France Granddaughter of King Louis IX of France
Great x 2 Grandfather: King Charles V of France son of King John "The Good" II of France
Great x 4 Grandfather: King John I of Bohemia 6 x Great Grandson of King William "Conqueror" I of England
Great x 3 Grandmother: Bonne Luxembourg Queen Consort France 7 x Great Granddaughter of King William "Conqueror" I of England
Great x 4 Grandmother: Queen Elizabeth of Bohemia 7 x Great Granddaughter of King Harold II of England
Great x 1 Grandfather: Charles "Beloved Mad" VI King France son of King Charles V of France
Great x 4 Grandfather: Louis Bourbon I Duke Bourbon Grandson of King Louis IX of France
Great x 3 Grandfather: Peter Bourbon Duke Bourbon Great Grandson of King Louis IX of France
Great x 4 Grandmother: Mary Hainaut Duchess Bourbon 4 x Great Granddaughter of King Stephen I England
Great x 2 Grandmother: Joanna Bourbon Queen Consort France Great Granddaughter of King Philip III of France
Great x 4 Grandfather: Charles Valois I Count Valois son of King Philip III of France
Great x 3 Grandmother: Isabella Valois Duchess Bourbon Granddaughter of King Philip III of France
Great x 4 Grandmother: Mahaut Chatillon Countess Valois Great Granddaughter of King Henry III of England
Grandfather: Charles "Victorious" VII King France son of Charles "Beloved Mad" VI King France
Great x 4 Grandfather: Louis Wittelsbach IV Holy Roman Emperor 
3 x Great Grandson of King Henry "Curtmantle" II of England
Great x 3 Grandfather: Stephen Wittelsbach II Duke Bavaria 4 x Great Grandson of King Henry "Curtmantle" II of England
Great x 4 Grandmother: Beatrix Świdnica Holy Roman Empress
Great x 2 Grandfather: Stephen "Magnificient Fop" Wittelsbach III Duke Bavaria 3 x Great Grandson of King Louis VIII of France
Great x 4 Grandfather: Frederick III King Sicily 2 x Great Grandson of Alfonso II King Aragon
Great x 3 Grandmother: Elisabeth Barcelona Duchess Bavaria 2 x Great Granddaughter of King Louis VIII of France
Great x 4 Grandmother: Eleanor Capet Great Granddaughter of King Louis VIII of France
Great x 1 Grandmother: Isabeau Wittelsbach Queen Consort France 4 x Great Granddaughter of King Louis VIII of France
Great x 4 Grandfather: Stephano Visconti
Great x 3 Grandfather: Bernabò Visconti
Great x 4 Grandmother: Valentina Doria
Great x 2 Grandmother: Taddea Visconti Duchess Bavaria
Great x 4 Grandfather: Mastino II della Scala
Great x 3 Grandmother: Beatrice Regina della Scala
Great x 4 Grandmother: Taddea da Carrara
mother: Magdalena Valois Countess Foix daughter of Charles "Victorious" VII King France
Great x 4 Grandfather: King Philip "Fortunate" VI of France Grandson of King Philip III of France
Great x 3 Grandfather: King John "The Good" II of France son of King Philip "Fortunate" VI of France
Great x 4 Grandmother: Joan "Lame" Burgundy Queen Consort France Granddaughter of King Louis IX of France
Great x 2 Grandfather: Louis Valois Anjou I Duke Anjou son of King John "The Good" II of France
Great x 4 Grandfather: King John I of Bohemia 6 x Great Grandson of King William "Conqueror" I of England
Great x 3 Grandmother: Bonne Luxembourg Queen Consort France 7 x Great Granddaughter of King William "Conqueror" I of England
Great x 4 Grandmother: Queen Elizabeth of Bohemia 7 x Great Granddaughter of King Harold II of England
Great x 1 Grandfather: King Louis of Naples Grandson of King John "The Good" II of France
Great x 4 Grandfather: Guy Chatillon I Count Blois 4 x Great Grandson of King Stephen I England
Great x 3 Grandfather: Charles of Blois Duke Brittany Great Grandson of King Philip III of France
Great x 4 Grandmother: Margaret Valois Granddaughter of King Philip III of France
Great x 2 Grandmother: Marie Chatillon Duchess Anjou 2 x Great Granddaughter of King Philip III of France
Great x 4 Grandfather: Guy Capet Count Penthièvre Great Grandson of King Henry III of England
Great x 3 Grandmother: Joan "Lame" Capet Countess Penthièvre 2 x Great Granddaughter of King Henry III of England
Great x 4 Grandmother: Jeanne Avaugour Countess Penthièvre
Grandmother: Marie Valois Anjou Queen Consort France Great Granddaughter of King John "The Good" II of France
Great x 4 Grandfather: Alfonso IV King Aragon 2 x Great Grandson of King Louis VIII of France
Great x 3 Grandfather: Peter IV King Aragon 3 x Great Grandson of King Louis VIII of France
Great x 4 Grandmother: Teresa Enteca Queen Consort Aragon
Great x 2 Grandfather: King John I of Aragon 4 x Great Grandson of King Louis VIII of France
Great x 4 Grandfather: Peter II King Sicily 2 x Great Grandson of King Louis VIII of France
Great x 3 Grandmother: Eleanor of Sicily Queen Consort Aragon 3 x Great Granddaughter of King Louis VIII of France
Great x 1 Grandmother: Yolande Barcelona Queen Consort Naples Great Granddaughter of King John "The Good" II of France
Great x 4 Grandfather: Henry of Bar IV Count of Bar Great Grandson of King Louis IX of France
Great x 3 Grandfather: Robert of Bar 1st Duke of Bar 2 x Great Grandson of King Louis IX of France
Great x 4 Grandmother: Yolande Dampierre Countess of Bar 
2 x Great Granddaughter of King Henry III of England
Great x 2 Grandmother: Yolande of Bar Queen Consort Aragon Granddaughter of King John "The Good" II of France
Great x 4 Grandfather: King John "The Good" II of France son of King Philip "Fortunate" VI of France
Great x 3 Grandmother: Marie Valois Duchess Bar daughter of King John "The Good" II of France
Great x 4 Grandmother: Bonne Luxembourg Queen Consort France 7 x Great Granddaughter of King William "Conqueror" I of England