Thomas Edward Williams, 1st and last Baron Williams1 
He was educated at Ruskin College, Oxford, Oxfordshire, EnglandG.1 He was member of the National Executive of the Labour Party.1 He held the office of Member of the Woolwich Borough Council.1 He was created 1st Baron Williams, of Ynyshir, co. Glamorgan [U.K.] on 24 June 1948.1 He was chairman of the Co-Op Wholesale Society Ltd.1 He was president of the Co-Op Congress between 1952 and 1953.1 He was awarded the Commander, Order of Dannebrog of Denmark.1
Child of Thomas Edward Williams, 1st and last Baron Williams and Lavinia Mary Northam
- Hon. Gwenyth Mary Williams1 b. 22 Jun 1927
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
William Williams1
Child of William Williams
- Thomas Edward Williams, 1st and last Baron Williams+1 b. 26 Jul 1892, d. 18 Feb 1966
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Lavinia Mary Northam1
From 14 May 1921, her married name became Williams.1
Child of Lavinia Mary Northam and Thomas Edward Williams, 1st and last Baron Williams
- Hon. Gwenyth Mary Williams1 b. 22 Jun 1927
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Charles Northam1
Child of Charles Northam
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Hon. Gwenyth Mary Williams1
Her married name became Brown.1 Her married name became Eadie.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Hugh Sharp Eadie1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Dr. Donald Walter Alexander Brown1
He lived at Windygates, Fife, ScotlandG.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
James Williams1 
Child of James Williams and Mary Ann Parton
- Thomas Williams, Baron Williams of Barnburgh+1 b. 18 Mar 1888, d. 29 Mar 1967
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Mary Ann Parton1 
Child of Mary Ann Parton and James Williams
- Thomas Williams, Baron Williams of Barnburgh+1 b. 18 Mar 1888, d. 29 Mar 1967
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.
Elizabeth Ann Andrews1
From 7 September 1910, her married name became Williams.1 After her marriage, Elizabeth Ann Andrews was styled as Baroness Williams of Barnburgh on 2 February 1961.
Children of Elizabeth Ann Andrews and Thomas Williams, Baron Williams of Barnburgh
- Hon. Horace Williams1 b. 3 Dec 1914
- Hon. Doris Williams1 b. 20 Apr 1916
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 293. Hereinafter cited as The New Extinct Peerage.