Biography of Maria Trastámara Queen Consort Castile 1396-1445

In 1394 [her father] Ferdinand I King Aragon (age 13) and [her mother] Eleanor of Alberquerque Queen Consort Aragon (age 20) were married. She by marriage Queen Consort Aragon. He the son of [her grandfather] John I King Castile and [her grandmother] Eleanor Barcelona Queen Consort Castile. They were first cousin once removed.

In 1396 Maria Trastámara was born to [her father] Ferdinand I King Aragon (age 15) and [her mother] Eleanor of Alberquerque Queen Consort Aragon (age 22). Coefficient of inbreeding 4.41%.

On 31st May 1410 King Martin I of Aragon (age 53) died. His nephew [her father] Ferdinand (age 29) succeeded I King Aragon.

On 12th June 1415 [her brother] Alfonso V King Aragon (age 19) and [her sister-in-law] Maria Trastámara Queen Consort Aragon (age 13) were married. She by marriage Queen Consort Aragon. She the daughter of [her uncle] Henry III King Castile and [her future mother-in-law] Catherine of Lancaster Queen Consort Castile (age 42). He the son of [her father] Ferdinand I King Aragon (age 34) and [her mother] Eleanor of Alberquerque Queen Consort Aragon (age 41). They were first cousins. She a great granddaughter of King Edward III of England.

On 2nd April 1416 [her father] Ferdinand I King Aragon (age 35) died. His son [her brother] Alfonso (age 20) succeeded V King Aragon.

In 1418 John II King Castile (age 12) and Maria Trastámara (age 22) were married. She by marriage Queen Consort Castile. She the daughter of Ferdinand I King Aragon and Eleanor of Alberquerque Queen Consort Aragon (age 44). He the son of Henry III King Castile and Catherine of Lancaster Queen Consort Castile (age 44). They were first cousins. He a great grandson of King Edward III of England.

Before 29th May 1421 [her brother] John II King Aragon (age 22) and [her sister-in-law] Blanche Évreux Queen Consort Aragon (age 33) were married. She by marriage Queen Consort Aragon. She the daughter of Charles III King Navarre (age 60) and Eleanor of Castile Queen Consort Navarre (age 58). He the son of [her father] Ferdinand I King Aragon and [her mother] Eleanor of Alberquerque Queen Consort Aragon (age 47). They were first cousin once removed. She a great x 5 granddaughter of King Henry III of England.

In 1422 [her daughter] Catherine Trastámara was born to [her husband] John II King Castile (age 16) and Maria Trastámara (age 26). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%. She died aged two in 1424.

In 1423 [her daughter] Eleanor Trastámara was born to [her husband] John II King Castile (age 17) and Maria Trastámara (age 27). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%. She died aged two in 1425.

In 1424 [her daughter] Catherine Trastámara (age 2) died.

In 1425 [her daughter] Eleanor Trastámara (age 2) died.

On 5th January 1425 [her son] Henry IV King Castile was born to [her husband] John II King Castile (age 19) and Maria Trastámara (age 29). He a great x 2 grandson of King Edward III of England. Coefficient of inbreeding 8.97%. He married (1) 1440 his first cousin Blanche Trastámara II Queen Navarre, daughter of John II King Aragon and Blanche Évreux Queen Consort Aragon (2) 1455 his first cousin Joan Aviz Queen Consort Castile, daughter of Edward "The Philosopher" I King Portugal and Eleanor Trastámara Queen Consort Portugal, and had issue.

In 1428 [her daughter] Infanta Maria Trastámara was born to [her husband] John II King Castile (age 22) and Maria Trastámara (age 32). She a great x 2 granddaughter of King Edward III of England. Coefficient of inbreeding 8.97%. She died aged one in 1429.

In 1429 [her daughter] Infanta Maria Trastámara (age 1) died.

On 16th December 1435 [her mother] Eleanor of Alberquerque Queen Consort Aragon (age 61) died.

In 1440 [her son] Henry IV King Castile (age 14) and [her daughter-in-law] Blanche Trastámara II Queen Navarre (age 16) were married. She the daughter of [her brother] John II King Aragon (age 41) and [her sister-in-law] Blanche Évreux Queen Consort Aragon (age 52). He the son of [her husband] John II King Castile (age 34) and Maria Trastámara (age 44). They were first cousins. He a great x 2 grandson of King Edward III of England.

After 1441 [her brother] John II King Aragon (age 42) and [her sister-in-law] Juana Enríquez Queen Consort Aragon (age 16) were married. She by marriage Queen Consort Aragon. The difference in their ages was 26 years. She the daughter of Fadrique Enríquez Count Melgar Count Rueda (age 51) and Mariana Fernández Countess Melgar. He the son of [her father] Ferdinand I King Aragon and [her mother] Eleanor of Alberquerque Queen Consort Aragon. They were second cousin once removed.

In 1445 Maria Trastámara (age 49) died.

After 1445 [her former husband] John II King Castile (age 39) and Isabella Aviz Queen Consort Castile (age 17) were married. She by marriage Queen Consort Castile. The difference in their ages was 22 years. He the son of [her uncle] Henry III King Castile and [her former mother-in-law] Catherine of Lancaster Queen Consort Castile. They were half first cousin once removed. He a great grandson of King Edward III of England. She a great x 2 granddaughter of King Edward III of England.

On 20th July 1454 [her former husband] John II King Castile (age 49) died. His son [her son] Henry (age 29) succeeded IV King Castile. [her daughter-in-law] Blanche Trastámara II Queen Navarre (age 30) by marriage Queen Consort Castile.