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National Library of Wales
Llangibby Castle estate, records

Reference code(s): GB 0210 LLABBY

Held at: National Library of Wales

Title: Llangibby Castle Estate Records

Short Title: Llangibby Castle estate, records

Creation date(s): 1217-1930

Level of description: Fonds

Extent: 0.677 cubic metres (24 boxes)

Name of creator(s): Llangibby Castle estate


Administrative/Biographical history: The Williams family acquired the Llangibby Castle estate (anciently called Tregrug) following the purchase of the estate by Roger Williams (d. 1585) of Usk in 1544-1545. He was succeeded by his son, Rowland Williams, followed by his son Charles Williams, who became M.P. for Monmouthshire in 1621. He was succeeded by his son Sir Trevor Williams who played a prominent role in the Civil war in Monmouthshire, siding first with the King, then with the Parliamentarians before rejoining the royalists in 1648.
The estate remained in the hands of the Williams family until the death of Sir John Williams without male issue in 1739. His daughter Ellen (1724-1781/2), who inherited the estate, married William Addams of Monmouth who assumed the additional surname of Williams.


Scope and content/abstract: Llangibby Castle estate records, including court rolls of manors in Monmouthshire, 1262-1911, Glamorgan, 1675-1739, Gloucestershire, 1427-1595 and Somerset, 1609-1691; title deeds, mainly Monmouthshire, 1217-1930, and correspondence, mainly 18-19 cent.; important letters and papers relating to the Civil war in Monmouthshire; and manuscripts aquired by the family, including drafts and copies of Modus Tenendi Parliamentarum and Observata Parliamentaria by Henry Elsynge, junior, (1598-1654), clerk to the House of Commons, together with minutes of the House of Commons, 1624-1626, calendar of the Journal of the House of Lords, 1647-1768, copies of the Journals of the House of Commons, 1547-1701, index to parliamentary proceedings, temp Edward III-Edward IV, and, 1724-1743, Civil war tracts, the journal of the missionary Dr Joseph Wolff, 1832, 'Prif Achae holh Gymru Benbaladr ' in the autograph of Sir Thomas Wiliems, Trefriw, 1578-1609, a seventeenth-century collection of Welsh poetry by the principal 'cywyddwyr'; a memoir of Richard Robert Jones ('Dic Aberdaron,' 1780-1843) in his own autograph; English sermons and miscellaneous notes by Rev. Edmund Jones, Pontypool, a sermon notebook of Rev Philip Henry (1631-96), the eminent Nonconformist divine, a survey of the lands of Henry, Earl of Pembroke, in Glamorgan and Monmouthshire, 1570, and a survey of lands in the lordship of Usk, 1619; pedigree rolls of Sir Roger Williams of Penrhos, Monmouthshire, compiled by Thomas Jones ('Twm Sion Catti '), 1591, and of the Williams family of Llangibby Castle, probably compiled by Sylvanus Morgan.


Language/scripts of material: English, Latin

System of arrangement: Arranged into manuscripts, autograph letters, manorial records, and title deeds. Original numbers are included in the catalogue; these originate from a catalogue of the library at Llangibby Castle, compiled by John Kyrle Fletcher and Ifan Kyrle Fletcher in 1933. The manuscript volumes and letters were removed from the archive and arranged in the NLW MSS series; they are now NLW MSS 16962-17109.

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 laws apply

Finding aids: Hard copies of the catalogue, NLW, Schedule of manuscripts, letters, and manorial records from the library of the late Major Albert Addams-Williams, Llangibby Castle, Monmouthshire (1939), are available at NLW and HMC. An online catalogue can be accessed from
Further details relating to manorial records within the archive can be accessed on-line from


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

Accruals: Accruals are not expected

Archival history:

Immediate source of acquisition: Deposited by the Trustees of the late Major Albert Addams-Williams of Llangibby Castle, per The Hon. Mrs. Eleanor Addams-Williams in 1939 and subsequently purchased from Major Hopton Addams-Williams in 1945.


Related material: A bound typescript copy of the catalogue of the library at Llangibby Castle is NLW, Misc. Vol. 67. A number of maps, topographical works, portraits, photographs and printed works are in NLW, Map Collections, and NLW, Special Collections.


Note: Title based on contents of fonds

Archivist's note: Compiled by Mair James.
The following sources were used in the compilation of this description: Bradney, Sir Joseph, A History of Monmouthshire (London, 1993 facsimile ed.), vol.3, part 1.

Rules or conventions: Description follows NLW guidelines based on ISAD(G) 2nd ed.; ACCR2; and LCSH

Date(s) of descriptions: April 2001

Addams-Williams family, | of Llangibby Castle | Archives
Estate administration | Wales | Monmouthshire
Great Britain | History | Civil War, 1642-1649
Great Britain | Politics and government | 16th century
Great Britain | Politics and government | 17th century
Great Britain | Politics and government | 18th century
Llangibby Castle Estate (Wales) | Archives
Manorial courts | Wales | Glamorgan
Manorial courts | Wales | Monmouthshire
Manors | Wales | Glamorgan
Manors | Wales | Monmouthshire
Welsh poetry | Early modern, 1550-1700

Personal names
Addams-Williams family , of Llangibby Castle
Elsynge , Henry , 1598-1654
Henry , Philip , 1631-1696
Herbert , Henry , 1534?-1601 , Earl of Pembroke
Jones , Edmund , 1702-1793
Jones , Richard Roberts , 1780-1843
Jones , Thomas , ca. 1530-ca. 1620
Morgan , Sylvanus , 1620-1693
Williams , Roger , d. 1583
Williams , Thomas , 1550?-1620?
Williams family , of Llangibby Castle
Wolff , Joseph , 1795-1862

Corporate names
Great Britain | Parliament. | House of Commons
Great Britain | Parliament. | House of Lords
Llangibby Castle Estate (Wales)


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