Stephen, King of England brought up by his mother, Adela, daughter of William the Conqueror. Placed into the court of his uncle, Henry I of England, Stephen rose in prominence and was granted extensive lands. He married Matilda of Boulogne, inheriting additional estates in Kent and Boulogne that made the couple one of the wealthiest in England. Stephen narrowly escaped drowning with Henry I's son, William Adelin, in the sinking of the "White Ship" in 1120; William's death left the succession of the English throne open to challenge. When Henry I died in 1135, Stephen quickly crossed the English Channel and with the help
Ranuccio I Farnese, Duke of Parma however, manage to engineer a match with Margherita de' Medici, daughter of Cosimo II of Tuscany. The husband of Margherita Aldobrandini, niece of Pope Clement VIII, Ranuccio, the son of a Portuguese infanta, was considered as a potential king of Portugal when his childless great-uncle King Henry I died. The throne, however, passed to Philip II of Spain, whose troops had promptly occupied the country after Henry I's death. His great-uncle Henry I of Portugal's death triggered the struggle for the throne of Portugal when Ranuccio was 11 years old. As the son of the late elder daughter of Infante