About Robert Williams (Trebor Mai)
Robert Williams, usually referred to by his bardic name Trebor Mai, was a Welsh language poet, born at Ty'n-yr-ardd near Llanrhychwyn, near Llanrwst, in the old county of Caernarfonshire, the son of a tailor. He was educated at a local Llanrhychwyn school and for a period attended the free school at Llanrwst. Around 1843, he moved with his family to Llanrwst and he applied himself to his father's craft. After he married on 13 October 1854 he commenced business as a tailor himself in Llanrwst, and remained there for the rest of his life. He died in 1877, aged 47. Williams, Robert, called Trebor Mai, 1830-1877: Fy nosuryl, sef Caneuon. (Llanrwst, argraffwyd gan J. Jones, 1861) (page images at HathiTrust) Williams, Robert, called Trebor Mai, 1830-1877: Y Geninen: gan Trebor Mai. (Llanrwst, Argraphwyd gan W.J. Roberts, 1869) (page images at HathiTrust).
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.