Euphemia de Clavering was born circa 1266 to Robert de Clavering, 1st Baron Clavering (c1247-1310) and Margaret La Zouche (c1248-) and died circa 1320 of unspecified causes. She married Randolf Neville, 1st Baron Neville de Raby (1262-1331) .
Children
| Name | Birth | Death | Joined with |
| Joan Neville (c1283-?) | |||
| Anastasia Neville (c1285-?) | |||
| Robert Neville (c1287-1319) | |||
| Ida Neville (c1289-?) | |||
| Ralph Neville, 2nd Baron Neville of Raby (c1291-1367) | 1291 | 5 August 1367 | Alice de Audley (c1300-c1375) |
| Eupheme Neville (c1291-?) | |||
| Alice Neville (c1293-?) | |||
| Alexander Neville (c1297-1366) | |||
| John Neville (1299-1333) | |||
| Mary Neville (c1301-?) | |||
| William Neville (c1303-?) | |||
| Margaret Neville (c1305-?) | |||
| Thomas Neville (c1306-bef1349) | |||
| Avelina Neville (c1307-?) | |||
Footnotes (including sources)