The only genealogy to survive regarding Clan Ewen of Otter, is the so-called MS 1467, now held in the National Library of Scotland.
Wu-Tang Clan | clan | Anne Sofie von Otter | Tokugawa clan | otter | Shimazu clan | de Havilland Canada DHC-6 Twin Otter | Clan Mackay | Taira clan | Clan Cameron | Otter | Minamoto clan | Scottish clan chief | Scottish clan | River Otter | Clan Sweeney | Satake clan | Oda clan | Hōjō clan | Fujiwara clan | De Havilland Canada DHC-6 Twin Otter | Clan Ross | Clan Murray | Asakura clan | Uesugi clan | Mōri clan | Clan Donald | Clan | Azai clan | Takeda clan |
The clan itself takes its name from a Niall who lived in the 13th or early 14th century, and who belonged to the same dynastic family of Cowal and Knapdale as the ancestors of the Lamonts, MacEwens of Otter, Maclachlans, and the MacSweens.