Eleanor of Sicily (in Italian, Eleonora; in Spanish, Leonor; 1325–1375) was Queen of Aragon from 1349 until 1375 as the third wife of King Peter IV.
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Early life
Eleanor was the daughter of Peter II of Sicily and Elisabeth of Carinthia. She was the second of eight children, six of whom survived to adulthood.
Queen of Aragon
Eleanor married in Valencia on 27 August 1349 to Peter IV of Aragon, on the condition that she renounce all rights to any Sicilian Crown. He was twice-widowed, had two surviving daughters: Constance and Joanna but no surviving sons.
Eleanor became a powerful influence at the Aragonese court, replacing Bernardo de Cabrera as Peter's chief adviser.
Eleanor's brother Frederick III the Simple, married Constance of Aragon (Eleanor's stepdaughter). Frederick and Constance had a daughter, Maria, but no sons. Then in 1357 Frederick proposed to transfer the duchies of Athens and Neopatria to Eleanor in return for military help from her husband in Sicily, but was refused.
