Background
He was the eldest son of Sir Rice Williams, of Edwinsford, Carmarthenshire, by his second wife, Mary Vaughan, daughter and co-heir of John Vaughan of Llanelly.
He was the eldest son of Sir Rice Williams, of Edwinsford, Carmarthenshire, by his second wife, Mary Vaughan, daughter and co-heir of John Vaughan of Llanelly.
He was educated at Eton College and Queens" College, Cambridge.
He was High Sheriff of Carmarthenshire from 1697-1698, and was created a baronet on 30 July 1707. He was a supporter of Robert Walpole. They had no children, and the baronetcy became extinct on his death in 1745.
His estate eventually devolved to the second and third Hamlyn-Williams baronets.
The arms of Williams of Edwinsford are: Argent, a lion rampant sable, face, paws & tuft of the tail of the field
6th Parliament of Great Britain. 7th Parliament of Great Britain. 8th Parliament of Great Britain.
9th Parliament of Great Britain]
From 1724 until his death, he was a Member of Parliament for Carmarthenshire in the Parliament of Great Britain, and was Lord Lieutenant of the county from 1735 to 1740.