_James of AVESNES _________+
                                                 | (1152 - 1191)             
                       _Bouchard IV of AVESNES __|
                      | (1182 - 1244)            |
                      |                          |_Adela of GUISE ___________+
                      |                            (1155 - 1200)             
 _Baldwin of AVESNES _|
| (1219 - 1295)       |
|                     |                           _Baldwin I FLANDERS _______+
|                     |                          | (1172 - 1205)             
|                     |_Margaret II of FLANDERS _|
|                       (1202 - 1279)            |
|                                                |_Marie of BLOIS-CHAMPAGNE _+
|                                                  (1174 - 1204)             
|
|--Beatrice of AVESNES 
|  (.... - 1320)
|                                                 ___________________________
|                                                |                           
|                      __________________________|
|                     |                          |
|                     |                          |___________________________
|                     |                                                      
|_Felicitas of COUCY _|
  (1220 - 1307)       |
                      |                           ___________________________
                      |                          |                           
                      |__________________________|
                                                 |
                                                 |___________________________