Canary Islands be many years before the island was fully conquered. The natives of La Gomera, and of Gran Canaria, Tenerife, and La Palma, resisted the Castilian invaders for almost a century. In 1448 Maciot de Béthencourt sold the lordship of Lanzarote to Portugal's Prince Henry the Navigator, an action that was accepted by neither the natives nor the Castilians. Despite Pope Nicholas V ruling that the Canary Islands were under Portuguese control, the crisis swelled to a revolt which lasted until 1459 with the final expulsion of the Portuguese. In 1479, Portugal and Castile signed the Treaty of Alcáçovas, which settled
Lanzarote support of the King of Castile) came and fought the local Guanches, who were further decimated. The islands of Fuerteventura and El Hierro were later similarly conquered. In 1477, a decision by the royal council of Castile confirmed a grant of Lanzarote and Fuerteventura, with the smaller islands of Ferro and Gomera to the Castilian nobles Herrera, who held their fief until the end of the 18th century. In 1585, the Ottoman admiral Murat Reis temporarily seized Lanzarote. In the 17th century, pirates raided the island and took 1,000 inhabitants into slavery in Cueva de los Verdes. From 1730 to