_Nicholas of OISY ________+
                                                       | (1130 - 1170)            
                            _James of AVESNES _________|
                           | (1152 - 1191)             |
                           |                           |_Matilda of DE LA ROCHE __
                           |                                                      
 _Bouchard IV of AVESNES __|
| (1182 - 1244)            |
|                          |                            _Bouchard GUISE __________+
|                          |                           | (1133 - 1185)            
|                          |_Adela of GUISE ___________|
|                            (1155 - 1200)             |
|                                                      |_Adelais of SOUPIER ______
|                                                        (1137 - 1200)            
|
|--Baldwin of AVESNES 
|  (1219 - 1295)
|                                                       _Baldwin V FLANDERS ______+
|                                                      | (1150 - 1195)            
|                           _Baldwin I FLANDERS _______|
|                          | (1172 - 1205)             |
|                          |                           |_Margaret I of METZ ______+
|                          |                             (1145 - 1194)            
|_Margaret II of FLANDERS _|
  (1202 - 1279)            |
                           |                            _Henry I BLOIS-CHAMPAGNE _+
                           |                           | (1127 - 1180)            
                           |_Marie of BLOIS-CHAMPAGNE _|
                             (1174 - 1204)             |
                                                       |_Marie of CAPET __________+
                                                         (1145 - 1197)