Note 73c — Chapter X · TYWY RIVER—CAERMARDYN—MONASTERY OF ALBELANDE
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Dinevor, the great castle, from dinas, a castle, and vawr, great, was in ancient times a royal residence of the princes of South Wales. In the year 876, Roderic the Great, having divided the principalities of North and South Wales, and Powys land, amongst his three sons, built for each of them a palace. The sovereignty of South Wales, with the castle of Dinevor, fell to the lot of Cadell. [The ruins of Dinevor Castle still crown the summit of the hill which overshadows the town of Llandilo, 12 miles from Carmarthen.]