FatherFulk (Foulques) V
Birth*Sibylla was born in 1112. 
She was the daughter of Fulk (Foulques) V and Heremburge
Marriage*Sibylla married William Clito Count of Flanders, son of Robert II Courteheuse Duke of Normandy and Sibylla de Conversana, in 1123. 
Marriage*Sibylla married Thierry of Alsace, Count_of_Flander in 1134. 
Death*Sibylla died in 1165 at Abbey, St Lazarus Bethlehem, England
Married NameHer married name was Count_of_Flander. 
Married NameHer married name was of_Flanders.