Arthur II, of the House of Dreux, was Duke of Brittany from 1305 to his death. He was the first son of John II and Beatrice, daughter of Henry III of England and Eleanor of Provence.
The House of Montmorency was one of the oldest and most distinguished noble families in France.
André de Laval-Montmorency, seigneur de Lohéac, was a Breton knight and a Marshal of France. He was the son of Guy XIII de Laval and Anne de Laval, and a leading member of the House of Laval.
The House of Rohan is a Breton family of viscounts, later dukes and princes in the French nobility, coming from the locality of Rohan in Brittany. Their line descends from the viscounts of Porhoët and is said to trace back to the legendary Conan Meriadoc. Through the Porhoët family, the Rohans are related to the Dukes of Brittany, with whom the family intermingled again after its inception. During the Middle Ages, it was one of the most powerful families in the Duchy of Brittany. The Rohans developed ties with the French and English royal houses as well, and they played an important role in French and European history.
The House of La Trémoïlle(Maison de La Trémoille in French) was a French noble family from Poitou whose name comes from the village La Trimouille in the department of Vienne. This family has been known since the middle of the 11th century, and since the 14th century its members have been conspicuous in French history as nobles, military leaders and crusaders, and influential as political leaders, diplomats, Huguenots and courtiers. The male line of the family died out in 1933, while female line heirs of the last duke have kept the La Trémoïlle surname alive in Belgium.
The House of Montfort-Brittany was a Breton-French noble family, which reigned in the Duchy of Brittany from 1365 to 1514. It was a cadet branch of the House of Dreux; it was thus ultimately part of the Capetian dynasty. It should not be confused with the older House of Montfort which ruled as Counts of Montfort.
Charlotte of Naples, also known as Charlotte of Aragon and Princess of Taranto, was the eldest daughter and eventual heiress of King Frederick of Naples. Although her father was dispossessed of his kingdom, her descendants, the House of La Trémoïlle maintained their dynastic claim in exile.
Guy XIV de Laval, François de Montfort-Laval,, comte de Laval, baron de Vitré and of La Roche-Bernard, seigneur of Gâvre, of Acquigny, of Tinténiac, of Montfort and Gaël, of Bécherel, was a French nobleman, known for his account of Joan of Arc. He and his brother André de Lohéac were simultaneously vassals of the duke of Brittany and of the king of France.
Guy XIII de Laval, born Jean de Montfort, was seigneur of Laval and of Kergorlay. He was the son of Raoul IX de Montfort and Jeanne de Kergorlay.
Anne de Laval was a French noblewoman. She was the ruling Dame/Seigneur de Laval in 1414–1429.
François de La Trémoille, Viscount of Thouars (1505–1541) was a French nobleman of the La Tremoille family. He was the son of Charles I de la Trémoille and of Louise de Coëtivy.
The title of Duke de La Rochefoucauld is a French peerage, from the great House La Rochefoucauld, cadets of an ancient House of Lusignan, whose origins go back to Lord Rochefoucauld in Charente in the 10th century with Foucauld 1st (973–1047), first Lord of La Roche then La Rochefoucauld, possibly son of Adémar, Lord of La Roche (952–1037). They got the title of Baron in the 13th century, then became Count in 1528 with François I de La Rochefoucauld, godfather of King François I and in 1622, François V de La Rochefoucauld was made Duke by Louis XIII. He married Gabrielle du Plessis-Liancourt, daughter of Antoinette de Pons, and their son François VI was a leading figure of La Fronde and the author of the Maxims. They are also, since 16th century, Prince of Marcillac. François VII, best friend of Louis XIV, married Jeanne du Plessis-Liancourt. Their son François VIII became in 1679 Duke of La Roche Guyon and married the same year the daughter of Louvois, Madeleine Le Tellier. Then they become during the 18th century: Duke of Liancourt, Duke of Enville and Duke of Estissac. Afterwards: Prince de La Rochefoucauld-Montbel, Duke of Doudeauville, Duke of Estrées and Duke of Bisaccia. They are also: Marquises of Montendre, of Barbezieux, of Surgères and Bayers; also Count of Duretal, Count of Roye and Roucy, Count of Blanzac, Count de La Rochefoucauld-Montbel and Baron de Verteuil. They were: Blessed of the Catholic Church, cardinals, bishops, grand maîtres de la garde-robe and Grand Huntsman of France, chambellans, ministers, lieutenants general of the armies, UK field marshal, Denmark marshal, ambassadors, grand hospitaller of the Order of Malta, a hero and spy during WWII, presidents and founders of multiple clubs. Many of them were elevated in the Order of the Légion d'Honneur and around 40 of them were/are members of the Sovereign Order of Malta. The castle of La Rochefoucauld has been in the family since the 10th century. The La Rochefoucauld-Montbel owned the Lascaux caves at the moment of their discovery and are closely linked to the Pellevoisin sanctuary in France.
Isabella of Brittany was a daughter of John V, Duke of Brittany, and his wife, Joan of Valois. Isabella was a member of the House of Dreux.
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.
Guy I of Clermont-Nesle was a Marshal of France, Seigneur (Lord) of Offemont jure uxoris, and possibly of Ailly, Maulette and Breteuil. He might have been a Seigneur of Nesle also, or used the title "Sire of Nesle" due to his family. Difficulties about the seigneurie of Breteuil are present, and the status of Ailly and Maulette in relation to Breteuil.
Guy XVI, Count of Laval, Mayenne was a member of the House of Laval. He was christened Nicolas, but upon inheriting the title, he took the required name of Guy, as his predecessors had done. He was the son of Jean de Laval, who was the brother of Guy XV and the son of Guy XIV and Isabella of Brittany.
Matthew II or Mathieu II, called the Great or the Great Constable, was lord of Montmorency from 1189 and Constable of France from 1218 to 1230.
Guillaume de Montmorency was Baron de Montmorency and lord of Chantilly. As general of finances for the king, he was governor of several royal castles and accompanied Louis XII during the Italian War of 1494–1498.
