Pétronille de Brienne, Dame of Champlost, was born circa 1174 to Thibaut de Brienne (1145-1204) and Marguerite de Salmaise and died circa 1236 of unspecified causes. She married Guy de Chappes (c1165-1221) .
Children
| Name | Birth | Death | Joined with |
| Alix de Chappes | |||
| Perronelle de Chappes | |||
| Mabile de Chappes (c1192-1220) | 1192 | May 1220 | Erard de Villehardouin (-1224) |
Footnotes (including sources)
| ‡ General |