Background
The duke was born in Paris, the eldest son of Prince Jean de Broglie (1921–1976).
The duke was born in Paris, the eldest son of Prince Jean de Broglie (1921–1976).
His father Jean"s great-grandfather, Albert, 4th duc de Broglie, was Louis de Broglie"s grandfather, and there was no other surviving senior male. The duke was active in local politics in the Eure, and has served as mayor of the ducal seat of Broglie. He died suddenly in castle of Broglie on 12 February 2012 (Le Figaro, 14 February 2012, p 15).
However, there are several junior cousins, some with young sons.