Alderney late 300s, at above the island's only natural harbour. The etymology of the island's name is obscure. It is known in Latin as "Riduna" but as with the names of all the Channel Islands in the Roman period there is a degree of confusion. "Riduna" may be the original name of Tatihou, while Alderney is conjectured to be identified with "Sarnia". "Alderney"/"Aurigny" is variously supposed to be a Germanic or Celtic name. It may be a corruption of "Adreni" or "Alrene", which is probably derived from an Old Norse word meaning "island near the coast". Alternatively it may derive from
French immigration to Puerto Rico them from mainland France also settled in various places in the island, mostly in the unsettled interior regions of the Island, which up to that point were virtually uninhabited. They were instrumental in the development of Puerto Rico's tobacco, cotton and sugar industries. Among them was Teófilo José Jaime María Le Guillou who in 1823 founded the municipality of Vieques, Puerto Rico. Teófilo José Jaime María Le Guillou Le Guillou was born in Quimperlé, France. He immigrated from France to the Island of Guadaloupe in the French West Indies where he became a land owner. In 1823, Le Guillou went