| Male Lord of Meath Walter De Lacy |
| Birth | 1172 | Ewias Lacy, Hereford, Herefordshire, England, United Kingdom |
| Death | 24 Feb 1240 | , Meath, Leinster, Ireland |
| Burial | ||
| Marriage | 19 Nov 1200 | |
| Father | Lord of Meath Hugh De Lacy | F1215 Group Sheet | |
| Mother | Rose, of Monmouth | F1215 Group Sheet | |
| Female Margaret De Braose |
| Birth | 1177 | Abergavenny, Monmouth, Wales, United Kingdom |
| Death | Yes, date unknown | |
| Burial | ||
| Father | ||
| Mother | ||
| Female + Giles De Lacy |
| Birth | 1201 | Dublin, Dublin, Leinster, Ireland |
| Death | Yes, date unknown | |
| Burial | ||
| Spouse | Lord of Connacht Richard De Burgh | F1212 | |
| Marriage | ||