Queen Isabelle gave birth to four daughters and one son. In 1479, Juan – the only son unfortunately died prematurely. Of her four daughters, the most famous is Princess Juana. Juana was born on November 6, 1479, in 1496 she was 17 years old, Queen Isabelle and King Ferdinand promised to marry her to Philip I. Biker not like other girls poster. He was the son of Habsburg Osterreich Emperor, and heir to the throne. Kingdom Brand. In 1500, Princess Juana had no brothers so she was made heir to Queen Isabelle’s throne. After the death of her mother, she was formally succeeded as Queen Custer, and when her father died, she officially became Queen Aragan in name.