Robert III Clément Yevres de Château-Landon, Lord of Mez-en-Gâtinais, was born circa 1120 to Robert II Clément (c1090-) and Mahaut du Tourneau and died circa 1181 of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Alberic Clément | |||
| Henri I Clément (1170-) | 1170 | Fille de Nemours (c1186-) | |
Footnotes (including sources)
| ‡ General |