Walter Williams

Walter Johnson Williams (14 November 1943 — 10 March 1985) was a Welsh rugby union international.

Williams, a farmer from Clyne, was a prop and played his rugby for Neath RFC. He was capped twice for Wales during the 1974 Five Nations Championship, against Ireland and France, both of which ended in draws.

In 1985, Williams stabbed his wife Janet to death and shot himself with a rifle in a murder–suicide in the kitchen of their Clyne family farm. He had been receiving treatment for depression since 1967 according to an inquest.

Biography summary from English Wikipedia.