Fulk V of Anjou (1089/1092 - November 13, 1143), also known as Fulk the Young, and after 1131 as Fulk of Jerusalem, was Count of Anjou from 1109 to 1129, and King of Jerusalem from 1131 to his death. Wikipedia
The definitive Wikipedia entry for Fulk Of Jerusalem. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Fulk_of_Jerusalem