William Thomas Mainwaring (born Gwilym Thomas Mainwaring; 24 January 1941 – 1 April 2019) was a Welsh international second row rugby union player who played for Aberavon RFC.
William Thomas Mainwaring (born Gwilym Thomas Mainwaring; 24 January 1941 – 1 April 2019) was a Welsh international second row rugby union player who played for Aberavon RFC. (en)
William Thomas Mainwaring (born Gwilym Thomas Mainwaring; 24 January 1941 – 1 April 2019) was a Welsh international second row rugby union player who played for Aberavon RFC. (en)