Sancho III King of Castile

• Father: Alfonso VII King of Leon and Castile
• Mother: Berengaria of Barcelona

• Partner: Blanche of Navarre
  
• * Child: Alfonso VIII of Castile Born: 11 November 1155, Soria, Spain ⇒
* Our research indicates that this child is Janet's ancestor.

Ancestors of Sancho III King of Castile

Descendants of Sancho III King of Castile

• 1 Sancho III King of Castile
= Blanche of Navarre
• 2 Alfonso VIII of Castile
= Eleanor of England Marriage: before 17 September 1177, Burgos, Spain
• 3 Berengaria of Castile ⇒
• 3 Sancho of Castile
• 3 Sancha of Castile
• 3 Urraca of Castile
• 3 Blanche of Castile ⇒
• 3 Ferdinand of Castile
• 3 Mafalda of Castile
• 3 Constance of Castile
• 3 Henry of Castile