The Draft 'CockburnX' was originally launched as Draft Cockburn3 and was later reviewed, expanded, split up and released 'properly' into the Families Database as follows: the section on Cockburn of Henderland was absorbed by Cockburn05, that on Cockburn of Ormiston by Cockburn04, that on Cockburn of Clerkington by Cockburn06, and that on Cockburn of Selburnrigg by Cockburn07.