James I (1321 – 15 November 1347), the eighteenth Count of Urgell, was the fourth son of Alfonso IV King of Aragon and Teresa d'Entença & Cabrera, 17th Countess of Urgell.

His older brother, Peter, inherited the Kingdom of Aragon.

They had two children, Pedro 19th Conde of Urgel and Isabel.

James is believed to have been poisoned by his brother Peter in Barcelona.

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