 Father | MaleWilliam Marmion |
| Born | Abt 1223 | Wetherington, Lincolnshire, England  |
| Died | Bef 1277 | Horncastle, Lincolnshire, England |
| Buried | ||
| Married | ||
| Father | Robert Marmion | F4623 Group Sheet | |
| Mother | Avice Tanfield | F4623 Group Sheet | |
 Mother | FemaleLoretta Fitzroy |
| Born | Abt 1232 | Kent, England |
| Died | Abt 1275 | Glanford Brigg, Lincolnshire, England |
| Buried | ||
| Father | Sir Richard Fitzroy | F4624 Group Sheet | |
| Mother | Rohese de Dover | F4624 Group Sheet | |
| Child 1 | Male + 3rd Baron Marmion of Winteringham Sir John Marmion |
| Born | Abt 1249 | West Tanfield, Yorkshire, England |
| Died | Bef 07 May 1322 | Wetherington, Lincolnshire, England |
| Buried | ||
| Spouse | Isabel Peck | F4612 | |
| Married | ||
