Williams' rugby union appearances were limited by the presence of first Gareth Edwards, and then Terry Holmes in the same club and national teams.
[3] In 2016 Williams took up the voluntary role as Chair of Fields in Trust Cymru, a charity dedicated to protecting outdoor space for play, sport and recreation.
[4] Williams was appointed Member of the Order of the British Empire (MBE) in the 2022 Birthday Honours for services to sport and charity in Wales.
[5] Brynmor Williams won a cap for Wales (RL) while at Cardiff City Blue Dragons 1982 1-cap 1-try 3-points.
[6] Before the start of the 1984/85 season, Cardiff City Blue Dragons relocated from Ninian Park in Cardiff, to Coychurch Road Ground in Bridgend, and were renamed Bridgend Blue Dragons.