In 1521 he began his 36 year long reign, and soon asked Joanna I and Charles I for a political marriage, it ended in his marriage to Catherine, Joanna's sister and his sister Isabella's marriage to Charles.
During his reign he made his own empire right next to his brother-in-law's empire in South America and partially abondoned his parts of Morocco. He then had a little Prince John (1537), but soon he died of unexplained causes and to this day it is claimed that Henry IX killed him.
During his reign some Lutherans made their way through Portugal and, angry at this he asked Pope Alexander VII to send an inquisition to get rid of them. In 1550 he went to America to visit the spanish, however whilst there he contracted malaria. This eventually turned into a problem; Henry IX wanted his wife to inheritethe throne but John, rather than giving it to Maria and thus sending it to the lackwit englishman, decided that his brother Louis would inherit it.