| Father | Male Thomas II of Coucy |
| Born | 1180 | |
| Died | 1253 | |
| Buried | ||
| Married | 1220 | |
| Father | Raoul I de Coucy | F179521 Group Sheet | |
| Mother | Alix of Dreux | F179521 Group Sheet | |
| Mother | Female Mahaut of Rethel |
| Born | cir 1195 | |
| Died | 01 Jul 1259 | |
| Buried | ||
| Father | Hugues II of Rethel | F59902 Group Sheet | |
| Mother | Felicite of Broyes | F59902 Group Sheet | |
| Child 1 | Female Felicite de Coucy |
| Born | 1223 | |
| Died | 1307 | |
| Buried | ||
| Spouse | Baudouin d'Avesnes | F179519 | |
| Married | ||