Alfonso IX, King of Leon

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Alfonso IX, King of Leon, son of Fernando II, King of Leon and Urraca of Portugal, was born at Zamora, Spain, in 1171.1 He died at Villaneuva de Sarria, Spain, 24 September 1230.1

Alfonso married (1) Teresa of Portugal, whose ancestry is unknown (or not traced here), at Guimaraes, Spain, 11 February 1191;1 their marriage was annulled for consanguinity by Pope Celestine III at the 2nd Council of Salamanca in 1194;1 he married (2), as her 2nd husband, Berenguela I of Castile "la Grande," Queen of Castile and Toledo, daughter of Alfonso VIII "el Noble," King of Castile and Eleanor of England, at Valladolid, Spain, December 1197;2 they separated due to consanguinity in 1204.2

For more information about Alfonso IX, King of Leon, please see this Wikipedia article.

Family 1

Teresa of Portugal b. abt. 1176, d. abt. 17 Jun 1250
  • Fernando1
  • Sancha1
  • Dulcia1

Family 2

Berenguela I of Castile "la Grande," Queen of Castile and Toledo b. abt. 1179, d. 8 Nov 1246


  1. [S1947] Douglas Richardson, Royal Ancestry: A Study in Colonial and Medieval Families, Five vols. (Salt Lake City, Utah: s.p., 2013), 2:115 (Castile 6), further cited as Richardson, Royal Ancestry.
  2. [S1947] Richardson, Royal Ancestry, 2:115-6 (Castile 6).
  3. [S89] Frederick Lewis Weis, Walter Lee Sheppard Jr. and David Faris, Ancestral Roots of Certain American Colonists Who Came to America before 1700: The Lineage of Alfred the Great, Charlemagne, Malcolm of Scotland, Robert the Strong, and Some of Their Descendants, 7th ed. (Baltimore, Maryland: Genealogical Publishing, 1992), 114-28, further cited as Weis, Sheppard, and Faris, Ancestral Roots, 7th ed.
This person was last edited on22 Aug 2019