Baldwin of Ibelin year, the king betrothed his younger half-sister Isabella of Jerusalem, Balian's stepdaughter, to Humphrey IV of Toron, to further reduce the Ibelins' influence. In 1183 he supported Raymond against Guy, who was by now regent for the ailing Baldwin IV. Lord Baldwin was among the barons who advised the king to crown Sibylla's son Baldwin V in 1183, while Baldwin IV was still alive; this was an attempt to prevent Guy from succeeding as king. Baldwin V became sole king while still a child in 1185, and when the young king died in 1186, Sibylla was crowned queen with Guy
Baldwin I, Margrave of Flanders support the emperor's son, Louis the Stammerer. During his life, Baldwin expanded his territory into one of the major principalities of Western Francia. He died in 879 and was buried in the Abbey of St-Bertin, near Saint-Omer. Baldwin was succeeded by his and Judith's son, Baldwin II (c. 866 – 918). The couple's first son, Charles, named after his maternal grandfather, died at a young age. His third son Raoul ("Rodulf") (c. 869 – murdered 896) became Count of Cambrai around 888, but he and his brother joined king Zwentibold of Lotharingia in 895. In 896, they attacked Vermandois and