Книга Port Arthur town of Knights of Round Table (СИ)

King Arthur and Knights of Round Table evidences, where to find them, following by old English Legends and tales of historians?   King Arthur named as King of England, British King, British Royalty, making England Kingdom.   Some named King Arthur as a son of Uthel Pendragon and a nephew of King Ambrosius Avrelicius, having his son Mordred from his half-sister Morgana, and having his next woman and a wife Guinevere, daughter of King Lodigra