Betrothed at seven and married seven years later, Margaret of Habsburg, the illegitimate daughter of the Emperor Charles V, became a widow in 1537, at the tender age of 15. Her 27-year-old husband, Alessandro de’Medici the Duke of Florence, the illegitimate son of Giulio de’Medici, Pope Clement VII, was lured to his death by the prospect of a tryst with a beautiful woman, only to be hacked to death by two clumsy assassins.