| Father | Henry Frowyk (1230 - 1286) |
| Mother | Isabella Durham (1230 - 1300) |
| Sibling | Renald Frowyk (1261 - 1300) |
| Sibling | Thomas Frowick (1262 - 1311) |
| Sibling | Roger Frowick , Goldsmith (1263 - 1328) |
| Sibling | John Frowick (1264 - 1313) |
| Sibling | Rosamund Frowick (1269 - 1301) |
| Sibling | Anketin Frowick (1272 - ) |
| Sibling | Joan Frowick (1275 - 1306) |
| Sibling | Sabine Frowick , Nun (1276 - 1300) |
| Sibling | Johanetta Frowick (1280 - 1286) |
| Sibling | William Frowick ( - 1292) |
| Sibling | Margaret Frowick , Nun ( - 1300) |
| Sibling | Stephen Frowick , Monk ( - ) |