Queen Juana I of Spain was the daughter of Ferdinand and Isabella and sister of Catherine of Aragon. She was contracted to marry Philip the Fair, a known womaniser and political schemer, and fell passionately in love with him at first sight. The marriage was very passionate and stormy but his early death made it short-lived. When her mother died Juana should have reigned as Queen of Castile but she was callously denied power and status throughout her life, most of which she spent imprisoned. by the three men in her life who sought power for themselves: her husband Philip, her father Ferdinand and her son Charles. She faced their relentless physical and mental cruelty with courage and determination, her spirited resistance earning her, unjustly, the nickname by which she is remembered, Juana la Loca (Joan the Mad.)