Napoleon's sister Caroline arranged for him a mistress who gave birth to a child thus proving his fertility. This led him to divorce his first love...

[Charlie Murphy Brown 4977]

Napoleon's sister Caroline arranged for him a mistress who gave birth to a child thus proving his fertility. This led him to divorce his first love Joséphine and marry the 19 year old Archduchess of Austria in search of an heir, which was just about par for the Corsican.