Agnes von Neuenberg was born in Switzerland to Ulrich III. von Neuenberg (-1225) and died after 31 August 1263 of unspecified causes. She married Pierre de Grandson (-c1259) .
Children
| Name | Birth | Death | Joined with |
| Othon I de Grandson, 1st Baron Grandison (c1245-1328) | |||
| Girard de Grandson (-c1284) | |||
| Jacques de Grandson (c1250-1290) | 1250 | 31 July 1290 | Béatrice de Neufchâtel (bef1290-) |
| Henri de Grandson (-1286) | |||
| William de Grandison, 1st Baron Grandison (-c1335) | 1262 Neuchâtel, Neuchâtel, Switzerland | 27 June 1335 Cassington, Oxfordshire, England, United Kingdom | Sibyl de Tregoz (-1334) |
| Amadeus de Grandson (-c1300) | |||
| Jordane de Grandson (-aft1289) | |||
| Guillemette de Grandson (-c1319) | |||
Footnotes (including sources)
| ‡ General |
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| ¶ Death |
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