Ermengol or Armengol III, called el de Barbastro, was the Count of Urgell from 1038 to his death. He was the son of Ermengol II, Count of Urgell and his wife Velasquita "Constança", probably the daughter of Bernard I, Count of Besalú.

Sancho Ramírez was King of Aragon from 1063 until 1094 and King of Pamplona from 1076 under the name of Sancho V. He was the eldest son of Ramiro I and Ermesinda of Bigorre. His father was the first king of Aragon and an illegitimate son of Sancho III of Pamplona. He inherited the Aragonese crown from his father in 1063. Sancho Ramírez was chosen king of Pamplona by Navarrese noblemen after Sancho IV was murdered by his siblings.