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Identity Statement

Reference code(s): GB 0074 ACC/0360
Held at: London Metropolitan Archives
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Date(s): 1697-1824
Level of description: Collection
Extent: 0.01 linear metres
Name of creator(s): Unknown


Administrative/Biographical history:

The manor of Isleworth or Isleworth Syon seems to have included land in Heston, Isleworth and Twickenham. In 1086 it belonged to Walter of Saint Valery, one of William the Conqueror's companions. The land subsequently passed into royal possession and was granted to Queen Isabel in 1327 and Queen Philippa in 1330. In 1421 the king granted Isleworth to the newly created abbey of Syon, in whose possession it remained until 1539. The Abbey was suppressed in 1539 and in 1547 the Duke of Somerset secured a grant of the estate to himself, which he held until his execution in 1552, although his widow continued to live at the manor until ordered to leave in 1554. The Crown leased the lands to various tenants until 1598 when Henry Percy, Earl of Northumberland, secured the tenancy rights. In 1604 he received a grant in fee of the house and manor with the park. The property descended to his heirs including Charles, Duke of Somerset (died 1748) and his son the Earl of Northumberland. Their descendants still owned Syon in 1958.


Scope and content/abstract:

Papers purchased from E. Joseph, bookseller of Charing Cross Road, including copies from the Court Roll of Isleworth Syon Manor, Twickenham, relating to the lease of lands belonging to the manor, 1697-1796; lease for land in Eastfield and in Holloway Shott, Twickenham, 1719 and 1723; Decree and Order of Master of the Rolls for the sale of freehold, copyhold and leasehold of estates left by John Gray in his will, Twickenham, 1751; lease for 21 years for land with a garden, coach house and stables in Montpellier Row, Twickenham, 1811. Also lease for land in Saint Mary, Islington, 1824.

Access & Use

Language/scripts of material:

System of arrangement:

11 items arranged chronologically.

Conditions governing access:

Available for general access.

Conditions governing reproduction:

Copyright rests with the City of London.

Finding aids:

Please see online catalogues at:

Archival Information

Archival history:

Immediate source of acquisition:

Purchased in 1950 (Acc/0360).

Allied Materials

Related material:

There are a large number of records relating to the Percy family, Dukes of Northumberland. Please see the National Register of Archives on The National Archives website for more information and a full listing.

Publication note:

Description Notes

Archivist's note:

Rules or conventions:
Compiled in compliance with General International Standard Archival Description, ISAD(G), second edition, 2000; National Council on Archives Rules for the Construction of Personal, Place and Corporate Names, 1997.

Date(s) of descriptions:
July to October 2009

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