The Genealogica Comitum Flandriæ Bertiniana names "Balduinum Barbatum" as son of...
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The Genealogica Comitum Flandriæ Bertiniana names "Balduinum Barbatum" as son of "Arnulfus…et…Ruzelam quæ et Susanna"[187]. He succeeded his father in 987 as BAUDOUIN IV "le Barbu/Pulchrae Barbae" Count of Flanders, presumably under a regency considering his youth although the name of the regent has not yet been identified. Hugues Capet King of France recognised Baudouin's claim to all of Flanders, including the part previously taken by King Lothaire, and also arranged Baudouin´s mother's second marriage to the king´s son and heir, apparently as a reward for Flemish help when he seized power in 987. ... Baudouin IV m.1 Issue 1: BAUDOUIN de Flandre (1012/13-Lille 1 Sep 1067, bur Lille St Pierre). The Genealogica Comitum Flandriæ Bertiniana names "Balduinum Insulanum" son of "Balduinum Barbatum [et] Odgivam". 1035 succeeded father as BAUDOUIN V "le Pieux/Insulanus" Count of Flanders. Baudouin IV m.2 issue 1: Judith de Flandre (1033-5 Mar 1094, bur St Martin Monastery).