Who dated Princess Pauline, Duchess Of Sagan?

Louis Victor Meriadec de Rohan dated Princess Pauline, Duchess Of Sagan from ? until ?. The age gap was 15 years, 6 months and 30 days.

Jules Armand Louis de Rohan dated Princess Pauline, Duchess Of Sagan from ? until ?. The age gap was 13 years, 3 months and 30 days.