Meliodas

Meliodas or Bago is a figure in Arthurian legend, famous as the father of Tristan in the Prose Tristan and subsequent accounts including the Post-Vulgate Cycle, Palamedes, and the Compilation of Rustichello da Pisa. He was second king of Lyonesse,according to the late Italian romance Il dui Tristani, son of Felec and vassal of King Mark. Meliodas' first wife, Isabelle, who bore Tristan, was Mark's sister, and his second wife was a daughter or sister of Hoel of Brittany.