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 1047. Wikipedia
Born: 1010
Died: 1047 (age 37 years), Neuville-en-Ferrain, France
Grandchildren: Eustace III, Count of Boulogne, Godfrey of Bouillon, Baldwin I of Jerusalem, and more
Great-grandparents: Hedwig of Nordgau, Arnulf II, Count of Boulogne, Sigfried, Count of the Ardennes, and more
Grandparents: Lutgardis of Luxemburg, Arnulf, Count of Holland, and Arnulf III, Count of Boulogne
Parents: Baldwin II, Count of Boulogne and Adelina of Holland
Children: Lambert II, Count of Lens, Eustace II, Count of Boulogne, Gerberga of Boulogne, and more