Biography
Mahaut de Châtillon was born circa 1335 to Jean de Châtillon (aft1292-1344) and Jeanne de Fiennes (aft1307-1353) and died 1378 of unspecified causes. She married Guy I de Ligny (c1340-1371) 1354 JL .
Children
| Name | Birth | Death | Joined with |
| Waléran III de Ligny (1355-1415) | 1355 | 1415 | Maud Holland (c1359-1392) Bonne de Bar (-1400) |
| Jean de Saint-Pol (1370-1397) | 1370 | 1397 | Marguerite d'Enghien (c1365-) |
| Marie of Ligny (-1396) | |||