Mhic nan Cearda ("The Sinclair's March") See also Sinclair (surname) Earl of Caithness Earl of Rosslyn Rosslyn Chapel Roslin Castle Viscount Thurso Castle Sinclair Girnigoe Scottish clan Clan Sinclair Trust References Notes External links Clan Chief's Site Clan Sinclair Clan Sinclair Association Canada (CSAC) Clan Sinclair USA Sinclair DNA / St. Clair DNA Study The Clan Sinclair Trust Clan Sinclair Italia - President Sir Ian Sinclair - Patron Lord Malcom Sinclair Scottish clans Scoto-Norman clans