Bill Williams' marriage to Muriel (
née Hiley) (birth registered February 1926 in
Swansea district – died August 2004) was registered during third ¼ 1948 in
Swansea District, they were married until her death in August 2004. They had one daughter Rebecca J. Williams (birth registered second ¼ in
Loughborough district), and four grandchildren (Rhiannon, James, Liz and Kate). After retiring from playing rugby Bill Williams became a
Mathematics and
Physical education teacher, and school rugby union coach at
Loughborough Grammar School from 1950 to 1962, and later in
Broadstairs,
Kent at
St. Lawrence College,
Ramsgate. ==Note==