Hello! Anyone whos last name is Robertson, Duncan, Reid, or any of a hundred variations, may be able to trace their roots to the Scottish clan name, Donnachaidh. So come on in and share family histories, anything Scottish, or anything else you feel like! Enjoy the links and photos! The picture you see here is the clan crest, this version was created by Jamie Robertson and borrowed with permission from the Clan Donnachaidh website.