Felicia of Roucy was a daughter of Hilduin IV of Montdidier and his wife Alice of Roucy.

She married in 1076 to Sancho Ramírez

Sancho Ramírez, King of Aragón and Navarre

Sancho Ramírez was King of Aragon and King of Navarre...

, then king of Aragon

Aragon

Aragon is a modern autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. Located in northeastern Spain, the Aragonese autonomous community comprises three provinces : Huesca, Zaragoza, and Teruel. Its capital is Zaragoza...

 after he had divorced his first wife, Isabella of Urgell. His accession to the crown of Navarre

Navarre

Navarre , officially the Chartered Community of Navarre is an autonomous community in northern Spain, bordering the Basque Country, La Rioja, and Aragon in Spain and Aquitaine in France...

 later that year made her the first Aragonese consort to also be Queen consort of Navarre

Navarre

Navarre , officially the Chartered Community of Navarre is an autonomous community in northern Spain, bordering the Basque Country, La Rioja, and Aragon in Spain and Aquitaine in France...

. She is attested shortly before her husband's death and if thought to have outlived Sancho (the supposed subsequent marriage of Sancho to a third wife, Philippa of Toulouse

Philippa of Toulouse

Philippa Maude of Toulouse , also known as Philippa de Toulouse or Philippa de Rouergue, was the Duchess Consort of Aquitaine, and Countess of Toulouse...

, appearing in a late chronicle, is now thought to be erroneous).

Felicia gave birth to three sons, Ferdinand, Alfonso

Alfonso the Battler

Alfonso I , called the Battler or the Warrior , was the king of Aragon and Navarre from 1104 until his death in 1134. He was the second son of King Sancho Ramírez and successor of his brother Peter I...

 and Ramiro

Ramiro II of Aragon

Ramiro II , called the Monk, was King of Aragon from 1134 until withdrawing from public life in 1137...

, the latter two following her step-son Peter I of Aragon and Navarre

Peter I of Aragon and Navarre

Peter I was the King of Aragon and Navarre for a decade from 1094 until his death. He was the son and successor of Sancho V Ramírez by his first wife, Isabella of Urgell. He was named in honour of Saint Peter, because of his father's special devotion to the Holy See, to which he had made his...

 in Aragon (Alfonso also in Navarre). Through Ramiro's only daughter Petronila of Aragon

Petronila of Aragon

Petronilla of Aragon , whose name is also spelled Petronila or Petronella , was Queen regnant of Aragon from 1137 until 1164. She was the daughter and successor of Ramiro II by Agnes of Aquitaine...

, she was ancestor of the later rulers of Aragon.