Catherine Henrietta (Portuguese: Catarina Henriqueta) was born on 25 November 1638, in Vila Viçosa, Portugal. She was the second surviving daughter of João, 8th Duke of Braganza and his wife, Luísa de Guzmán. She had two older siblings, Teodósio and Joana, and two younger brothers, Afonso and Pedro. Following the Portuguese Restoration War, her father was acclaimed King João IV of Portugal, on 1 December 1640. With her father's new position as one of Europe's most important monarchs, Catherine became a prime choice for a wife. She was proposed as a bride for John of Austria, François de Vendôme, Louis XIV of France, and Charles II of England. Commonly regarded as the power behind the throne, Queen Luísa was also a devoted mother and she took an active interest in her children's upbringing; she personally supervised Catherine's education. It is believed Catherine spent most of her youth in a convent close by the royal palace, where she remained under her mothe...