Her brother Ferdinand, with whom she was very close, studied at Cambridge University and married an English cousin.
In 1211, Henry became heir to the throne when his older brother Ferdinand suddenly died.
Pedro V, along with his brother Ferdinand and other royal family members, succumbed to cholera in 1861.
In 1521, Emperor Charles V and his brother Ferdinand came to this monastery.
Charles delegated increasing responsibility for Germany to his brother Ferdinand while he concentrated on problems elsewhere.
His brother Ferdinand visited him and showed him affection treating him almost like a mascot.
In 1960, Carlos's older brother Ferdinand died without male issue, and Carlos' son Alfonso reclaimed his rights.
On the death of his elder brother Ferdinand in 1578, Diego became heir to the throne.
He again let himself be represented by his brother Ferdinand, as he could not personally appear due to the war with France.
In May 1531, having governed for only four months, Mary told her brother Ferdinand the experience was like having a rope around her neck.