 Attention: Was younger than 16 years (15) when child (John I of AVESNES) was born (May  1, 1218) .
 Attention: Was younger than 16 years (15) when child (John I of AVESNES) was born (May  1, 1218) .
(1) She had a relationship with Bouchard Iv of AVESNES.
Child(ren):
(2) She has/had a relationship with Willem Ii of DAMPIERRE.
Child(ren):
 grandparents
 grandparents  
 parents
 parents  
 brothers/sisters
 brothers/sisters  
 children
 children
| Margaret of FLANDERS | |||||||||||||||||||||||||||||||||||
| (1)  | |||||||||||||||||||||||||||||||||||
| Bouchard Iv of AVESNES | |||||||||||||||||||||||||||||||||||
| (2)  | |||||||||||||||||||||||||||||||||||
| Willem Ii of DAMPIERRE | |||||||||||||||||||||||||||||||||||