List of Famous people with last name Blois

Margaret of Valois (1295–1342) was a French noblewoman. She was a daughter of Charles, Count of Valois, and his first wife, Margaret, Countess of Anjou. She was also a sister of King Philip VI of France.

Theobald V of Blois, also known as Theobald the Good, was Count of Blois from 1151 to 1191.

Milo I the Great was lord of Montlhéry from 1095 until his death. He was the son of Guy I of Montlhéry and Hodierna of Gometz.

Odo I, Count of Blois, Chartres, Reims, Provins, Châteaudun, and Omois, was the son of Theobald I of Blois and Luitgard, daughter of Herbert II of Vermandois. He received the title of count palatine, which was traditional in his family, from King Lothair of West Francia.

Henry of Blois, often known as Henry of Winchester, was Abbot of Glastonbury Abbey from 1126, and Bishop of Winchester from 1129 to his death. He was a younger son of Stephen Henry, Count of Blois by Adela of Normandy, daughter of William the Conqueror and Matilda of Flanders. Thus, he was a younger brother of Stephen, King of England.

Odo II was the count of Blois, Chartres, Châteaudun, Beauvais and Tours from 1004 and count of Troyes and Meaux from 1022. He twice tried to make himself a king: first in Italy after 1024 and then in Burgundy after 1032.

Theobald I (913–975), called the Trickster, was the first count of Blois, Chartres, and Châteaudun as well as count of Tours.

Hugh II of Châtillon, son of Guy III, Count of Saint-Pol, and Matilda of Brabant, was count of St Pol 1289–1292 and Count of Blois 1292–1307.

Margaret of Blois was suo jure Countess of Blois from 1218 to 1230, in what is now France.

Bertha of Blois, was a Duchess consort of Brittany and a countess consort of Maine, married in 1018 to Alain III, Duke of Brittany, and in 1046 to Hugh IV, Count of Maine. She was the daughter of Odo II, Count of Blois and Ermengarde of Auvergne.