Family: Euguerrand III Baron De Coucy / Mary Montmirel-En-Brie (F41004)
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Male
Euguerrand III Baron De Coucy
Birth Death Yes, date unknown Burial Marriage Father Raoul I Sn De Coucy | F64927 Group Sheet Mother Alix De Dreux | F64927 Group Sheet
Female
Mary Montmirel-En-Brie
Birth Death Yes, date unknown Burial Father John Lord of Montmirel-En-Brie | F64702 Group Sheet Mother
Female
Marie De Coucy
Birth Death Burial Newbottle 
Spouse Alexander II King of Scotland | F40067 Marriage 15 May 1239 Roxburgh Spouse John De Brienne | F40996 Marriage Bef 6 Jun 1257
Female
Alix De Coucy
Birth Death Yes, date unknown Burial Spouse Arnould III Count De Guines | F41264 Marriage