Viscounts of Rohan

Henri (II) de Rohan (21 August 1579 – 13 April 1638), Duke of Rohan and Prince of Léon, was a Breton-French soldier, writer and leader of the Huguenots.

Alain I de Rohan (1084–1147), also known as le Noir, was the 1st Viscount de Rohan and Viscount of Castelnoec. He was the third son of Eudon I de Porhoët, viscount of Porhoët, and Emma de Léon (daughter of Guyomarch II, Viscount de Léon).

René I de Rohan, (1516–1552) 18th Viscount of Rohan, Viscount and Prince de Léon, and Marquis de Blain married Isabella of Navarre daughter of jure uxoris King John III of Navarre and Catherine of Navarre, Queen of Navarre.

René II, Viscount of Rohan (1550–1586), was Prince of Leon, Count of Porhoët, seigneur of Pontivy and Frontenay, and a Huguenot nobleman. He was head of one of the oldest and most distinguished families in France, which was connected with many of the reigning houses of Europe.