See also
| Partner: | Piers de COKBURN (c. 1200- ) | |
| Partner: | (unknown) | |
| Children: | Robert de COCKBURN (c. 1230- ) | |
| Name: | Piers de COKBURN | |
| Sex: | Male | |
| Father: | Thomas COKBURN ( - ) | |
| Mother: | - | |
| Birth | c. 1200 | |
| Name: | Robert de COCKBURN | |
| Sex: | Male | |
| Birth | c. 1230 | |
It is almost certain that they took their name from the Cok Burn, a stream, in an area called the Merse which is in the county of Berwickshire.