List of Famous people with last name Flanders

Robert I, known as Robert the Frisian, was count of Flanders from 1071 to his death in 1093. He usurped the countship after defeating his nephew Arnulf III and his allies, Robert's sister Matilda and King Philip I of France. He made peace with Philip, who became his stepson-in-law, but remained hostile to his sister and brother-in-law, Duke William of Normandy.

Baldwin VI, also known as Baldwin the Good, was Count of Hainaut from 1051 to 1070 and Count of Flanders from 1067 to 1070.

Arnulf II was Count of Flanders from 965 until his death.

Arnulf I, called the Great, was the first Count of Flanders.

Henry was the second Latin emperor of Constantinople. He was one of the leaders of the Fourth Crusade in which the Byzantine Empire was conquered and Latin Empire formed.

William III was the lord of Dampierre from 1231 and count of Flanders from 1247 until his death. He was the son of William II of Dampierre and Margaret II of Flanders.

Joan, often called Joan of Constantinople, ruled as Countess of Flanders and Hainaut from 1205 until her death. She was the elder daughter of Baldwin IX, Count of Flanders and Hainaut, and Marie of Champagne.

Baldwin I, also known as Baldwin Iron Arm, was the first margrave of Flanders, which evolved into the County of Flanders.