Baldwin V of Jerusalem contested between Baldwin IV's sister and their younger half-sister Isabella. Their extended family and leading nobles were divided in support for the two heiresses. Raymond III of Tripoli, first cousin of their father Amalric I of Jerusalem, had been "bailli" or regent for Baldwin IV while the latter was a child, but once the king came of age in 1176 his power began to recede. He had a claim to the throne in his own right, but his childlessness hindered him advancing it. Instead, he acted as a power-broker, and aided the interests of the Ibelin family. Amalric's widow (Isabella's
Baldwin I, Margrave of Flanders Baldwin I, Margrave of Flanders Baldwin I (probably 830s – 879), also known as Baldwin Iron Arm (the epithet is first recorded in the 12th century), was the first Margrave of Flanders. At the time Baldwin first appears in the records he was already a count, presumably in the area of Flanders, but this is not known. Count Baldwin rose to prominence when he eloped with princess Judith, daughter of Charles the Bald, king of West Francia. Judith had previously been married to Æthelwulf and his son (from an earlier marriage) Æthelbald, kings of Wessex, but after the latter's death