Thomas Tomone
Thomas stands as being one of the only characters on the show who is not British-born , having originated from Sangha , Republic of the Congo; with his first language being French . 
<triplet> Sangha <subj> Republic of the Congo <obj> country <triplet> Republic of the Congo <subj> Sangha <obj> contains administrative territorial entity <subj> French <obj> official language <triplet> French <subj> Republic of the Congo <obj> country