| Birth: | About 1223 |
| Death: | About 1276 |
| Sex: | M |
| Father: | Robert Marmion |
| Mother: | Avice FitzHugh |
| Spouses & Children |
| Lora (or Lorette) de Dover (Wife) | |
| Marriage: | BEF 7 JUN 1248 |
| Children: | |
| |
| Notes |
Source #1: Douglas Richardson, "Plantagenet Ancestry: A Study in Colonial and Medieval Families" (Baltimore, Maryland: Genealogical Publishing Company, Inc., 2004), pp. 493-495