Isabeau de BrienneAge: 55 years1305–1360
| Birth | 1305 |
| Marriage | Wauthier III d’ Enghien — View this family January 1321 (Age 16 years) |
| Birth of a son #1 | Siger II d’ Enghien 1324 (Age 19 years) |
| Birth of a son #2 | Englebert d’ Enghien 1330 (Age 25 years) |
| Death of a husband | Wauthier III d’ Enghien October 16, 1345 (Age 40 years) |
| Birth of a grandson #1 | Colard d’ Enghien 1346 (Age 41 years) |
| Death | December 28, 1360 (Age 55 years) |
| Title | Comtesse de Brienne et de Lecce |
| Title | Duchesse titulaire d'Athènes |
| Title | Dame de Ramerut, Novelle, Machaud, etc. |
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Isabeau de Brienne Birth: 1305 Death: December 28, 1360 |
| Family with Wauthier III d’ Enghien |
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Isabeau de Brienne Birth: 1305 Death: December 28, 1360 |
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Marriage: January 1321 — |
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4 years son |
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| Note | dite «La Belle Hélène», dame de Ramerupt, Nevele et Machault puis comtesse de Brienne, contessa di Conversano i de Lecce (dès 1358, après la mort de son frère Gauthier VI à Poitiers en 1356)
Source: Pattou |