NameFulk II 'the Good' Count Of Anjou, 31G Grandfather
Web Notes notes for Fulk II 'the Good' Count Of Anjou
From "The Plantagenet Chronicles" edited by Elizabeth Hallam, ISBN 1-55584-018-3, p 19:
Under his reign the Loire valley enjoyed a time of tranquil prosperity. Drogo was the youngest of his three sons and his father's favorite. He was conceived when Fulk was past middle age.