| Place name (English): | Longpont Abbey |
| Place name (local language): | Abbaye Notre-Dame de Longpont |
| Place name (alt. local language): | |
| Place name (older spelling): | |
| Place name (other common spelling/language): | |
| Place type: | building |
| Is in the area of: | Longpont |
| Note: |
| 1 | Eleonore de Vermandois (1148/49-June 1213), Ctss de Vermandois |
| 2 | Marie de Montmirail (-20 September 1272) |
| 3 | Raoul II (1145-17 June 1176), Comte de Vermandois |