Hermengarde de Courtenay was born 1068 to Jocelin de Courtenay (1020-1079) and Elizabeth de Montlhery (c1040-) . She married Renaud II de Joigny (1060-1115) .
Children
| Name | Birth | Death | Joined with |
| Guy I de Joigny (1085-1137) | 1085 | 1137 | Comtesse |
| Renaud de Joigny (c1090-1134) | 1090 | 1134 | Wandelmode de Beaujeu Alix of Blois (c1100-1145) |
| Élisabeth de Joigny (1100-c1147) | 1100 | 1147 | Itier III de Toucy |
Footnotes (including sources)
| ‡ General |