19 March 1604 King John IV of Portugal
On 19 March 1604 King John IV of Portugal was born at Vila Viçosa. John IV of Portugal - own picture taken in 2017 in Lisbon Family His parents were Teodósio II, Duke of Braganza and Ana de Valesco y Girón. John was thus a grandson of Catherine, Duchess of Braganza. He belonged to the noble house of Braganza. Love and marriage In 1633, John married Luisa de Guzmán. She was a daughter of the 8th. Duke of Medina Sidonia. The royal couple would have had 7 children. Some of them died in childhood. One of their children Catherine would marry King Charles II of England and she became Queen Consort of England. John also had a natural daughter. Duty Around the time of his birth Portugal was ruled by the Spanish branch of the House of Habsburg. King Philip II of Portugal (Philip III of Spain) and later King Philip III of Portugal (Philip IV of Spain) ruled the Portuguese issues. However in 1640 there was a huge revolution organized by the nobles and the bourgeo