List of Famous people with last name Boulogne

Eustace II,, also known as Eustace aux Gernons, was Count of Boulogne from 1049–1087. He fought on the Norman side at the Battle of Hastings, and afterwards received large grants of land forming an honour in England. He is one of the few proven companions of William the Conqueror. It has been suggested that Eustace was the patron of the Bayeux Tapestry.

Eustace I, Count of Boulogne, was a nobleman and founder of the Boulogne branch of the House of Flanders. He held the county of Boulogne from 1024 until his death in 1049.

Matilda was Countess of Boulogne from 1125 and Queen of England from the accession of her husband Stephen in 1136 until her death in 1152. She supported Stephen in his struggle for the English throne against her cousin Empress Matilda. She played an unusually active role for a woman of the period when her husband was captured, and proved herself an effective general who managed to force the Empress to release Stephen. Under the agreement that settled the civil war, the Queen's children did not inherit the English throne; however, her three surviving children ruled Boulogne in turn as Eustace IV, William I, and Marie I.

Mary of Scotland (1082–1116) was the younger daughter of Malcolm III of Scotland and his second wife, Margaret of Wessex. Mary was a member of the House of Dunkeld by birth, and was Countess of Boulogne by marriage.

Marie I or Mary was the suo jure Countess of Boulogne from 1159 to 1170. She also held the post of Abbess of Romsey for five years until her abduction by Matthew of Alsace, who forced her to marry him.

Ida of Boulogne was suo jure Countess of Boulogne from 1173 until her death.

Eustace III was the count of Boulogne from 1087, succeeding his father Count Eustace II. His mother was Ida of Lorraine.

Mahaut or Matilda II of Boulogne was Countess of Boulogne in her own right and Queen of Portugal by marriage to King Afonso III from 1248 until their divorce in 1253. She was the daughter of Ida, Countess of Boulogne and her husband and co-ruler Renaud, Count of Dammartin. She succeeded her mother as Countess of Boulogne in 1216. She was the great-granddaughter of King Stephen of England.

William XII of Auvergne (1300–1332) was Count of Auvergne and Count of Boulogne between 1325 and 1332.

Eustace IV ruled the County of Boulogne from 1151 until his death. He was the eldest son of King Stephen of England and Countess Matilda I of Boulogne. When his father seized the English throne on Henry I's death in 1135, he became heir apparent to the English throne but predeceased his father.