Trevor Oswin Lewis, CBE, who died 5 August, 2015, aged 79, disclaimed, in 1977, the barony of Merthyr for life. He was the fourth Baron Merthyr (Peerage of the UK, cr 1911).
He was born 29 Nov, 1935, eldest son of the 3rd Baron Merthyr (1901-77), by his wife the former Violet Meyrick (1909-2003), scion of the Meyrick baronets; succeeded his father, 6 Apr, 1977, as a peer and baronet, but disclaimed the peerage for life three weeks later, 26 Apr, 1977.
Trevor Lewis married 18 April, 1964, Susan Jane, daughter of Arthur Birt-Llewellin, by whom he had issue, one son and three daughters.
He is succeeded in his baronetcy and peerage by his only son, the Hon David Trevor Lewis, who was born 21 Feb, 1977.