The Brythons worshipped Nuada as Nodons in Romano-British times. The remains of his temple exist near the mouth of the Severn, and the god may have been equated with Mars, though certain symbols seem to connect him with the waters as a kind of Neptune.[300] An Irish mythic poet Nuada Necht may be the Nechtan who owned a magic well whence issued the Boyne, and was perhaps a water-god. If such a water-god was associated with Nuada, he and Nodons might be a Celtic Neptune.[301] But the relationship and functions of these various personages are obscure, nor is it certain that Nodons was equated with Neptune or that Nuada was a water-god. His name may be cognate with words meaning "growth," "possession," "harvest," and this supports the view taken here of his functions.[302] The Welsh Nudd Hael, or "the Generous," who possessed a herd of 21,000 milch kine, may be a memory of this god, and it is possible that, as a god of growth, Nuada had human incarnations called by his name.[303] Ler, whose name means "sea," and who was a god of the sea, is father of Manannan as well as of the personages of the beautiful story called _The Children of Lir_, from which we learn practically all that is known of him. He resented not being made ruler of the Tuatha Déa, but was later reconciled when the daughter of Bodb Dearg was given to him as his wife. On her death, he married her sister, who transformed her step-children into swans.[304] Ler is the equivalent of the Brythonic Llyr, later immortalised by Shakespeare as King Lear.