Althorp Papers. Vol. mmdxliv. Letters to Horace from his younger son Beauchamp; 1828-1850, n.d. For letters from Horace to Beauchamp see Add. MSS 77868-77869.
Althorp Papers. Vol. mmdxlviii. Letters to Lady Clinton from her stepson, Charles Seymour; 1852-1854. For letters from Lady Clinton to Charles see Add. MS 77854.
Althorp Papers. Vols. mmdxlviii-mmdlii. Letters and papers relating to Frances, Dowager Lady Clinton. Lady Clinton, the eldest daughter of William Stephen Poyntz of Cowdray Park, Sussex, became Sir Horace Seymour's second wife in 1835 and stepmother to his three children. Her sister Elizabeth married Frederick, 4th Earl Spencer; 1852-[1875?]. See also Add. MS 78062 for a list of Lady Clinton's plate. Five volumes.
Scope & Content:
John Poyntz Spencer, 5th Earl Spencer: Correspondence and papers of John Poyntz Spencer: 1835-1910.
Althorp Papers. Vol. mmdxlix. 1. Letters to Lady Clinton from her stepson, Beauchamp Seymour; 1852-[1875?]. For Lady Clinton's letters to Beauchamp see Add. MS 77871. 2. Letters to Lady Clinton from other correspondents; 1835-[1865?], n.d.
Althorp Papers. Vol. mmdlii. Another bound copy of Lady Clinton's will and accounts; 1875. See also Add. MS 77752 for the trust set up by Lady Clinton.