Family
ClaimDetailEvidence
FatherFerdinand II, King of León (1137-1188) [S756] [S931]
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MotherUrraca of Portugal (~1151-1188) [S756] [S931]
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Spouse 2ndBerengaria, Queen of Castile (~1180-1246) 
Child +St. Ferdinand III, King of Castile & León (~1201-1252) [S756] [S931]
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Attributes
ClaimDetailEvidence
GenderMale
NameAlfonso IX, King of León [S756] [S931]
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NameAlfonso de León [S931]
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FatherFerdinand II, King of León (1137-1188) [S756] [S931]
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MotherUrraca of Portugal (~1151-1188) [S756] [S931]
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Timeline
ClaimDateDetailAgeEvidence
Birth1166Spain [S756]
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BirthAug 15, 1171Zamora, Castile and León, Spain [S931]
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Title1188King of León [S756] [S931]
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Marriage 1stFeb 15, 1191 [S931]
his first cousin, Infanta dona Teresa de Portugal, daughter of Sancho I “o Pobledor” King of Portugal & his wife Dulce de Barcelona
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Marriage 2ndDec 1197Berengaria, Queen of Castile (~1180-1246) [S931]
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Separated1204 [S931]
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DeathSep 24, 1230 [S756] [S931]
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Sources
IndexTitle
[S756] Weis, Frederick Lewis, "Ancestral Roots of Sixty Colonists Who Came To New England before 1700, 7th Ed." (Genealogical Publishing Co., Inc., Baltimore, 1999).
[S931] Cawley, Charles, "Foundation of Medieval Genealogy (Medieval Lands - Kings of Castille & Leon)" (2006-7 (v1.2 Updated 25 August 2007)) (https://fmg.ac/Projects/MedLands/CASTILE.htm).
Kinship Lines for Alfonso IX, King of León
Spouse/PartnerDegreeRelationshipMRCA
Berengaria, Queen of Castile (~1180-1246)51st Cousin 1x removedAlfonso VII, King of Castile & León (1105-1157)
Berengaria, Queen of Castile (~1180-1246)51st Cousin 1x removedBerenguela de Barcelona (~1113-1149)