Amicia de Kingsley was born circa 1172 in England to Richard de Kingsley (c1135-1224) and Joan de Sylvester (c1140-1220) . She married Ranulph de Thornton (-1182) .
Children
| Name | Birth | Death | Joined with |
| Margery de Thornton (c1190-) | |||
| Alan de Thornton (c1192-) | |||
| Randolph de Thornton (c1194-bef1244) | |||
| Ciceley de Thornton (c1213-) | 1213 England | David de Malpas (-1272) | |
| Piers de Thornton (c1215-) | 1215 England | ||
| Alicia de Thornton (c1218-) . | |||
Siblings
| Name | Birth | Death | Joined with |
| Ranulph de Kinglsey (c1165-bef1224) | |||
| Emma de Kingsley (c1168-) | 1168 England | William Gerrard | |
| Agnes de Kingsley (c1170-) | 1170 England | William Lancelyn | |
| Amicia de Kingsley (c1172-) | 1172 England | Ranulph de Thornton (-1182) | |
| Joan de Kingsley (c1174-) | 1174 England | Henry Done | |
| Margaret de Kingsley (c1176-) | 1176 England | Richard de Cholmondeley | |