| Male Earl of Lincoln Sir John de Lacy, of Pontefract |
| Birth | Abt 1192 | |
| Death | 22 Jul 1240 | |
| Burial | ||
| Marriage | 1221 [1] | |
| Father | Sir Roger de Lacy, of Pontefract | F1344 Group Sheet | |
| Mother | ||
| Female Margaret de Quincy |
| Birth | Between 1196 and 1205 | |
| Death | Abt Mar 1266 | Hampstead, Camden, London |
| Burial | ||
| Father | Robert de Quincy | F1122 Group Sheet | |
| Mother | Countess of Lincoln Hawise of Chester | F1122 Group Sheet | |
| Female Countess of Gloucester and Hertford Maud de Lacy |
| Birth | ||
| Death | 29 Dec 1288 | |
| Burial | ||
| Spouse | 2nd Earl of Gloucester Sir Richard de Clare | F1120 | |
| Marriage | Abt [J] 25 Jan 1238 | |
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