OWEN, king of North Wales. | (Eldest son) JORWERTH, the _Broken-nosed_. | LLYWELYN AB JORWERTH. Llywelyn, as has been shown, had two sons, Griffith and David, the first and eldest of whom, being a turbulent prince, was set aside by his father at a solemn assembly of Cambrian lords, in 1238, and David was elected to succeed his father. In 1240, David became king of North Wales, and one of his first acts was to apprehend his brother and his son Owen, and put them in prison. This was done with the connivance of a Bishop of Bangor: but that worthy, fearing that the scandal would spread abroad, intrigued with _Senena_, the _daughter-in-law_, and not the daughter of Prince Llywelyn, and wife of his son Griffith, for his release. Overtures were made to Henry III.; and certain lords having joined the confederacy, stipulations were entered into, and Henry marched against King David. David, who had married the king's daughter, now began to counterplot, in which he was quite successful; for Henry, who had come to release Griffith, by _special contract_ with his brother, took him, with his wife Senena, and his son Owen, with him to London, and imprisoned them in the Tower, in attempting to escape from whence, two years afterwards, Griffith lost his life. Such is a brief outline of all that is known of Senena, who is undoubtedly the Sidanen of Munday, and whose name is variously written _Sina_, _Sanan_, _Sanant_, and in the Latin chronicle _Senena_. The negotiations here alluded to, with the names of all the parties engaged in them, will be found in the authorities herein named; all of which being in English, MR. COLLIER can easily consult. John a Cumber is probably John y Kymro, or John the Cambrian; but I know nothing of him. Respecting John of Kent there is but little else known than may be found in Coxe's _Monmouthshire_, and Owen's _Cambrian Biography_, sub "Sion Cent." There is, however, a tradition in this neighbourhood that he was born at Eglwys Ilan, in the county of Glamorgan; and the road is shown by which he went to Kentchurch, in Herefordshire. It was at Eglwys Ilan that he is reported to have pounded the crows by closing the park gates. As this story has not appeared in English print, I will endeavour to furnish you again with a more circumstantial statement. Sion Kent, who lived about 1450, appears to have derived his name from Kent Chester, or Kent Church. He was a monk, holding Lollard opinions; and a bard of considerable talent and celebrity. As a matter of course, he was on good terms with his Satanic majesty; for he was a mighty reputation as a conjuror. MR. COLLIER may find a portion of one of his poems, translated in the Iolo MSS., page 687. Should this, or any other authority herein named, not be accessible to MR. COLLIER, it would afford me great pleasure to send him transcripts.