As an advisor to Edward, he agreed to give Zala ben Zala's son back in exchange for the captured Ferdinand at the failed invasion of Tangiers, though he was successful earlier in the capture of Ceuta.
He oversaw the transition of the throne to his brother Pedro after the death of Duarte and pacified Leonor of Aragon after her temper tantrum at Alemquer castle, and Gil Eanes rose to fame under this man. As an advisor to Edward, he agreed to give Zala ben Zala's son back in exchange for the captured Ferdinand at the failed invasion of Tangiers, though he was successful earlier in the capture of Ceuta. He was appointed governor of the Algrave province, and this son of Joao I established a colony at the Vila do Infante near Cape Vincent which produced such innovations as the caravel. For 10 points, identify this Portuguese prince best remembered for his love for exploring.
He oversaw the transition of the throne to his brother Pedro after the death of Duarte and pacified Leonor of Aragon after her temper tantrum at Alemquer castle, and Gil Eanes rose to fame under this man.
Henry the Navigator [or Infante Henrique of Portugal, Duke of Viseu; or Henry the Seafarer]