Agnès de Montbéliard was born circa 1085 to Thierry de Montbéliard (1045-1105) and Ermentrude de Bourgogne (1055-1105) and died 1176 of unspecified causes. She married Hermann II. von Salm (c1075-1136) .
Children
| Name | Birth | Death | Joined with |
| Hermann III. von Salm (c1105-aft1147) | 1105 | 1147 | |
| Heinrich I. von Salm (c1107-aft1153) | 1107 | 1153 | Clementia von Dagsburg (c1115-bef1169) |
| Dietrich von Salm (c1109-1156) | 1109 | 22 February 1156 | |
Footnotes (including sources)
| ‡ General |