Individual Details

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According to Wikipedia:

Geoffrey II, de Château-Landon (died 1043 or 1046) was the Count of Gâtinais.[1][2] He was the son of Hugues du Perche, Count of Gâtinais, by Béatrice de Mâcon, the daughter of Aubry II de Mâcon.[3] About 1035 he married Ermengarde of Anjou, Duchess of Burgundy, daughter of Fulk III, Count of Anjou.[2][4] After Geoffrey's death she married secondly Robert I, Duke of Burgundy.[1]

Issue
Together, Geoffrey and Ermengarde had:

Hildegarde de Château-Landon, married c.1060 to Joscelin I, Lord of Courtenay;[4] his famous son was Joscelin I, Count of Edessa by a different partner.
Geoffrey III (1040 - 1096)[2][4]
Fulk IV (1043 - 1109)[2][4]
References
John Burke & Sir Bernard Burke, C.B., Burke's Peerage, Baronetage, and Knightage, Edited by Peter Townsend (Burke's Peerage Ltd.,London, 1963)p. xciii
Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany: J. A. Stargardt, 1984), Tafel 82
Kate Norgate, England Under the Angevin Kings, Vol. I (Macmillan and Co., London, New York, 1887), p. 250
Jim Bradbury, 'Fulk le Réchin and the Origin of the Plantagenets', Studies in Medieval History Presented to R. Allen Brown, Ed. Christopher Harper-Bill, Christopher J. Holdsworth, Janet L. Nelson (The Boydell Press, 1989), p. 27


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-- MERGED NOTE ------------

According to Wikipedia:

Geoffrey II, de Château-Landon (died 1043 or 1046) was the Count of Gâtinais.[1][2] He was the son of Hugues du Perche, Count of Gâtinais, by Béatrice de Mâcon, the daughter of Aubry II de Mâcon.[3] About 1035 he married Ermengarde of Anjou, Duchess of Burgundy, daughter of Fulk III, Count of Anjou.[2][4] After Geoffrey's death she married secondly Robert I, Duke of Burgundy.[1]

Issue
Together, Geoffrey and Ermengarde had:

Hildegarde de Château-Landon, married c.1060 to Joscelin I, Lord of Courtenay;[4] his famous son was Joscelin I, Count of Edessa by a different partner.
Geoffrey III (1040 - 1096)[2][4]
Fulk IV (1043 - 1109)[2][4]
References
John Burke & Sir Bernard Burke, C.B., Burke's Peerage, Baronetage, and Knightage, Edited by Peter Townsend (Burke's Peerage Ltd.,London, 1963)p. xciii
Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany: J. A. Stargardt, 1984), Tafel 82
Kate Norgate, England Under the Angevin Kings, Vol. I (Macmillan and Co., London, New York, 1887), p. 250
Jim Bradbury, 'Fulk le Réchin and the Origin of the Plantagenets', Studies in Medieval History Presented to R. Allen Brown, Ed. Christopher Harper-Bill, Christopher J. Holdsworth, Janet L. Nelson (The Boydell Press, 1989), p. 27


-- MERGED NOTE ------------




-- MERGED NOTE ------------

According to Wikipedia:

Geoffrey II, de Château-Landon (died 1043 or 1046) was the Count of Gâtinais.[1][2] He was the son of Hugues du Perche, Count of Gâtinais, by Béatrice de Mâcon, the daughter of Aubry II de Mâcon.[3] About 1035 he married Ermengarde of Anjou, Duchess of Burgundy, daughter of Fulk III, Count of Anjou.[2][4] After Geoffrey's death she married secondly Robert I, Duke of Burgundy.[1]

Issue
Together, Geoffrey and Ermengarde had:

Hildegarde de Château-Landon, married c.1060 to Joscelin I, Lord of Courtenay;[4] his famous son was Joscelin I, Count of Edessa by a different partner.
Geoffrey III (1040 - 1096)[2][4]
Fulk IV (1043 - 1109)[2][4]
References
John Burke & Sir Bernard Burke, C.B., Burke's Peerage, Baronetage, and Knightage, Edited by Peter Townsend (Burke's Peerage Ltd.,London, 1963)p. xciii
Detlev Schwennicke, Europäische Stammtafeln: Stammtafeln zur Geschichte der Europäischen Staaten, Neue Folge, Band II (Marburg, Germany: J. A. Stargardt, 1984), Tafel 82
Kate Norgate, England Under the Angevin Kings, Vol. I (Macmillan and Co., London, New York, 1887), p. 250
Jim Bradbury, 'Fulk le Réchin and the Origin of the Plantagenets', Studies in Medieval History Presented to R. Allen Brown, Ed. Christopher Harper-Bill, Christopher J. Holdsworth, Janet L. Nelson (The Boydell Press, 1989), p. 27

Marriage	1035	Ermengarde of Anjou
Death	Bet 1043 and 1046

Spouse	Ermengarde of Anjou (1018 - 1076)
Child	Fulk IV "Le Rechin," Count of Anjou (1043 - 1109)

Father	Hugues du Perche ( - )
Mother	Béatrice de Mâcon (974 - 1005)