Individual Details
William de Mainwaring III
(1286 - 1341)
Events
| Birth | 1286 | Middlewich, Cheshire, England | |||
| Marriage | 1315 | Cheshire, England - Lady Mary Davenport | |||
| Marriage | 1315 | Cheshire, England - Lady Mary Davenport | |||
| Marriage | 1315 | Cheshire, England - Lady Mary Davenport | |||
| Marriage | 1315 | Cheshire, England - Lady Mary Davenport | |||
| Death | 1341 | Over Peover, Cheshire, England | |||
| Burial | 1341 | Over Peover, Cheshire, England |
Families
| Spouse | Lady Mary Davenport (1287 - 1361) |
| Child | Sir Knight William Mainwaring The Younger Earl of Chester (1315 - 1364) |
| Child | Thomas Mainwaring (1316 - ) |
| Child | Margery Mainwaring (1318 - 1334) |
| Child | Roger FitzWilliam Mainwaring (1318 - 1334) |
| Child | Benidict Mainwaring (1318 - ) |
| Child | Guy Mainwaring (1320 - ) |
| Child | Millicent Mainwaring (1322 - 1334) |
| Child | Roger Mainwaring (1328 - 1334) |
| Spouse | Lady Mary Davenport (1287 - 1361) |
| Child | Sir Knight William Mainwaring The Younger Earl of Chester (1315 - 1364) |
| Child | Thomas Mainwaring (1316 - ) |
| Child | Margery Mainwaring (1318 - 1334) |
| Child | Roger FitzWilliam Mainwaring (1318 - 1334) |
| Child | Benidict Mainwaring (1318 - ) |
| Child | Guy Mainwaring (1320 - ) |
| Child | Millicent Mainwaring (1322 - 1334) |
| Child | Roger Mainwaring (1328 - 1334) |
| Spouse | Lady Mary Davenport (1287 - 1361) |
| Child | Sir Knight William Mainwaring The Younger Earl of Chester (1315 - 1364) |
| Child | Thomas Mainwaring (1316 - ) |
| Child | Margery Mainwaring (1318 - 1334) |
| Child | Roger FitzWilliam Mainwaring (1318 - 1334) |
| Child | Benidict Mainwaring (1318 - ) |
| Child | Guy Mainwaring (1320 - ) |
| Child | Millicent Mainwaring (1322 - 1334) |
| Child | Roger Mainwaring (1328 - 1334) |
| Spouse | Lady Mary Davenport (1287 - 1361) |
| Child | Sir Knight William Mainwaring The Younger Earl of Chester (1315 - 1364) |
| Child | Thomas Mainwaring (1316 - ) |
| Child | Margery Mainwaring (1318 - 1334) |
| Child | Roger FitzWilliam Mainwaring (1318 - 1334) |
| Child | Benidict Mainwaring (1318 - ) |
| Child | Guy Mainwaring (1320 - ) |
| Child | Millicent Mainwaring (1322 - 1334) |
| Child | Roger Mainwaring (1328 - 1334) |
| Father | Roger de Mainwaring (1263 - 1295) |
| Mother | Christiana de Birtles (1265 - 1334) |
| Sibling | Roger de Mainwaring (1286 - ) |
| Sibling | Knight Thomas de Mainwaring (1290 - ) |
| Sibling | Randle de Mainwaring (1290 - ) |
| Sibling | Mary de Mainwaring (1296 - ) |
| Sibling | Joan de Mainwaring (1301 - ) |
| Father | Roger de Mainwaring (1263 - 1295) |
| Mother | Christiana de Birtles (1265 - 1334) |
| Sibling | Roger de Mainwaring (1286 - ) |
| Sibling | Knight Thomas de Mainwaring (1290 - ) |
| Sibling | Randle de Mainwaring (1290 - ) |
| Sibling | Mary de Mainwaring (1296 - ) |
| Sibling | Joan de Mainwaring (1301 - ) |
| Father | Roger de Mainwaring (1263 - 1295) |
| Mother | Christiana de Birtles (1265 - 1334) |
| Sibling | Roger de Mainwaring (1286 - ) |
| Sibling | Knight Thomas de Mainwaring (1290 - ) |
| Sibling | Randle de Mainwaring (1290 - ) |
| Sibling | Mary de Mainwaring (1296 - ) |
| Sibling | Joan de Mainwaring (1301 - ) |
| Father | Roger de Mainwaring (1263 - 1295) |
| Mother | Christiana de Birtles (1265 - 1334) |
| Sibling | Roger de Mainwaring (1286 - ) |
| Sibling | Knight Thomas de Mainwaring (1290 - ) |
| Sibling | Randle de Mainwaring (1290 - ) |
| Sibling | Mary de Mainwaring (1296 - ) |
| Sibling | Joan de Mainwaring (1301 - ) |