Fulk of Guînes (died 1125) was the second son of Baldwin I, count of Guînes

Guînes

Guînes is a commune in the Pas-de-Calais department in northern France.-Geography:Guînes is located on the border of the two territories of the Boulonnais and Calaisis, at the edge of the now-drained marshes, which extend from here to the coast. The Guînes canal connects with...

 in the Boulonnais

Boulonnais

The Boulonnais, also known as the "White Marble Horse", is a heavy draft horse breed. It is known for its elegant, though large, appearance and is found in many colors. The breed's origins trace to a period before the Crusades and, during the 17th century, Spanish Barb, Arabian and Andalusian blood...

. He was related to the counts of Boulogne

Count of Boulogne

The county of Boulogne was a historical region in the Low Countries. It consisted of a part of the present-day French département of the Pas-de-Calais , in parts of which there is still a Dutch-speaking minority....

. He probably accompanied Eustace III of Boulogne

Eustace III of Boulogne

Eustace III, was a count of Boulogne, successor to his father Count Eustace II of Boulogne. His mother was Ida of Lorraine.His father Eustace II appeared at the Battle of Hastings in 1066 as an ally of William the Conqueror, and is listed as a possible killer of Harold II; he is also believed to...

 and Robert II of Flanders on the First Crusade

First Crusade

The First Crusade was a military expedition by Western Christianity to regain the Holy Lands taken in the Muslim conquest of the Levant, ultimately resulting in the recapture of Jerusalem...

. In 1110 he obtained from his relative, King Baldwin I

Baldwin I of Jerusalem

Baldwin I of Jerusalem, formerly Baldwin I of Edessa, born Baldwin of Boulogne , 1058? – 2 April 1118, was one of the leaders of the First Crusade, who became the first Count of Edessa and then the second ruler and first titled King of Jerusalem...

, the lordship of Beirut. The lordship passed to other families, and lasted till the very end of the Crusader states

Crusader states

The Crusader states were a number of mostly 12th- and 13th-century feudal states created by Western European crusaders in Asia Minor, Greece and the Holy Land , and during the Northern Crusades in the eastern Baltic area...

in 1291.