 The family then assumed the surname Maitland Makgill.Later David Maitland Makgill became heir to the Crichton viscountcy of Frendraught and styled himself Maitland Makgill Crichton.It was a member of this family who established the right to the chiefship of the Clan Crichton in 1980 and abandoned his additional surnames as required by the Lord Lyon King of Arms.