Toberlyan Duffin
Duffin is usually given as meaning 'belonging to the Duffin family' but the earliest spelling is Dufferagh which probably means Dubh Rath meaning 'The Black Fort' ( referring to the ringfort still in the townland ) is a townland in the civil parish of Templeport , County Cavan , Ireland . 
<triplet> Templeport <subj> civil parish <obj> instance of <subj> County Cavan <obj> located in the administrative territorial entity <subj> Ireland <obj> country <triplet> County Cavan <subj> Ireland <obj> country <triplet> Ireland <subj> County Cavan <obj> contains administrative territorial entity