Embarrassingly, Williams died of a heart attack while visiting a brothel in Nottingham in 1884, but his cause lived on and ultimately succeeded in 1920.
Er mawr gywilydd, bu farw Williams o drawiad ar y galon tra’n ymweld â phuteindy yn Nottingham ym 1884, ond parhaodd ei achos ac yn y pen draw, ym 1920, llwyddodd.