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National Library of Wales
Coedymaen (Group 1) papers

Reference code(s): GB 0210 COEDYMAEN

Held at: National Library of Wales

Title: Coedymaen (Group 1) Papers

Short Title: Coedymaen (Group 1) papers

Creation date(s): 1567-1812

Level of description: Fonds

Extent: 0.029 cubic metres (1 box)

Name of creator(s): Sir William Williams


Administrative/Biographical history: Sir William Williams (1634-1700), lawyer and politician, was the eldest son of Dr Hugh Williams, rector of Llanrhyddlad and Llantrisant, Anglesey. He was recorder of Chester, 1667-1684, and MP for the borough, 1675-1685; for Montgomeryshire boroughs, April-June 1685; and for Beaumaris, 1689-1690, 1695-1700. He was elected Speaker of the House of Commons in 1680 and again in 1681. In 1684 he was prosecuted for a scandalum magnatum having, as Speaker, authorised the publication of the Thomas Dangerfield's Narrative and was fined £10,000. He was originally a supporter of the country party but, following his fine, he became a supporter of James II for which he received a knighthood and the office of solicitor-general, both in 1687. He was one of the prosecuting counsel in the trial of the Seven Bishops in 1688. Following James's flight, he changed sides again and subsequently helped to draft the Bill of Rights. He bought the Llanforda estate, Oswestry, from the father of Edward Lluyd in 1665, and by marriage acquired the Glascoed estate, Llansilin, Denbighshire, where he was buried. His son, also called Sir William Williams (1684-1740), inherited Llanforda and Glascoed, whilst his grandson Sir Watkin Williams Wynn (d. 1749) inherited the Wynnstay estate through his mother.


Scope and content/abstract: Papers of Sir William Williams, mainly legal papers, 1685-1693; political papers, 1680-1698; and papers relating to, or collected by his ancestors or descendants, 1567-1812. The legal papers include papers relating to the trials of the Earl of Shaftesbury, 1677, Algernon Sidney, 1683, his own trials for a scandalum magnatum brought by James II and the Earl of Peterborough, 1685-1686, and the trial of the Seven Bishops, 1688.


Language/scripts of material: English, French, Welsh

System of arrangement: Arranged into the following: legal papers; political papers; and miscellaneous.

Conditions governing access: Readers consulting modern papers in the National Library of Wales are required to sign the 'Modern papers - data protection' form.

Conditions governing reproduction: Usual copyright regulations apply.

Finding aids: A hard copy of the catalogue is available at the National Library of Wales. The catalogue can be accessed online.

Detailed catalogue


Appraisal, destruction and scheduling information: All records have been retained

Accruals: Accruals are not expected

Archival history:

Immediate source of acquisition: Deposited by Arthur Williams-Wynn D.L., J.P., Coedymaen, Welshpool, in 1925.


Related material: Further papers are NLW, Wynnstay Estate Records; and NLW, Canon Trefor Owen Manuscripts.

Publication note: Daniel Lleufer Thomas examined the papers for his account of Williams for the Dictionary of National Biography.


Note: Title supplied from domicile of depositor. The NLW Coedymaen Papers (Group 2) comprise correspondence and appointments of Charles Watkin Williams Wynn (1775-1850), and do not relate to Sir William Williams.

Archivist's note: Compiled by Annette Strauch for the ANW project. The following sources were used in the compilation of this description: NLW, Schedule of Coedymaen Papers (Group 1); Dictionary of Welsh Biography down to 1940 (London, 1959).

Rules or conventions: This description follows ANW guidelines based on ISAD(G) second edition, AACR2, and LCSH

Date(s) of descriptions: August 2003; minor revisions May 2005

Great Britain | Politics and government | 17th century
Seven Bishops trial, London, England, 1688
Trials (Seditious libel) | England | London
Williams, William, | Sir, | 1634-1700 | Archives

Personal names
James II , 1633-1701 , King of England
Peterborough , Henry Mordaunt , 1624?-1697 , Earl of
Sidney , Algernon , 1622-1683
Williams , William , 1634-1700 , Sir

Corporate names


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