| John de Lacy & Margaret de Quincy | |
| Husband | Wife |
| John de Lacy | Margaret de Quincy |
|
b: 1192 Lincoln, Lincoln, England d: 22 Jul 1240 |
b: 1208 Lincoln, Lincoln, England d: before 30 Mar 1266 |
| Parents | |
| Baron Roger de Lacy (~1171 - 1212) | Robert de Quincy (~1172 - 1217) |
| Maud (Mathilde) de Clare (~1180 - 1213) | Countess Hawise of Chester (1180 - ~1242) |
| Grand Parents | |
| John de Lacy (1150 - 1190) | Saire de Quincy (1155 - 1219) |
| Alice de Vere (~1150 - ) | Margaret de Beaumont (~1155 - 1235) |
| Earl Richard de Clare (1162 - 1218) | Earl of Chester Hugh of Kevelioc de Meschines (1147 - 1181) |
| Amice Fitzrobert (1160 - 1224) | Bertrade de Montfort (1155 - 1189) |
| Children (Family Detail) | |
| Maud de Lacy | - b: 4 Aug 1222 Lincoln, Lincoln, England |