| Code | P/0073 |
| Dates | c.1710-1762 |
| Person Name | Montagu; Sir; Robert (c.1710-1762); 3rd Duke of Manchester (1739-1762); of Kimbolton Castle |
| Surname | Montagu |
| Forenames | Robert |
| PreTitle | Sir |
| Title | 3rd Duke of Manchester (1739-1762) |
| Epithet | of Kimbolton Castle |
| Relationships | Father: Sir Charles Montagu (c.1662-1722) 1st Duke of Manchester
Mother: Doddington Greville (1671-1720), daughter of Robert Greville 4th Baron Brooke of Beauchamps Court
Spouse: Harriet (1711-1755) daughter of Edmund Dunch of Little Wittenham [Berks]
Children of this marriage:
- George 4th Duke of Manchester (1737-1788)
- Lord Charles Greville Montagu (1741-1783 ), m. Elizabeth Bulmber daughter of James Bulmer
- Lady Caroline Montagu (d.1818), m. Charles Herbert, grandson of Thomas Herbert, 8th Earl of Pembroke
- Lady Louisa Montagu, died unmarried |
Linked entries in the catalogue
| RefNo | Title |
| KMAN1/A/10/30/6 | Schedule of Weybridge deeds, with the Forest or Park, the property of Robert Duke of Manchester |
| KMAN1/B/48/3 | Household receipt book |
| KMAN1/B/48/1 | Dorchester Estate account book: Mr. Barlow Lawrence in account with Sir George Oxenden and Lord Robert Montagu |
| KMAN1/A/10/30/5 | Account of estates bought by Robert Duke of Manchester between 1741 and 1751 |
| KMAN1/B/48/2 | Dorchester Estate account book: Mr. Barlow Lawrence in account with Sir George Oxenden, Mr Thompson and Lord Robert Montagu |
| KMAN1/A/36/22b | Scrapbook containing cuttings of printed works referring to history and geneology of the Montagu family |
| KMAN1 | Records of the Montagu family of Kimbolton Castle |
| KMAN1/A/12/5/1 | Letter to the Duke of Manchester from William Custance, Somersham |
| KMAN1/A/13/5/16 | Mortgage |
| KMAN1/A/13/5/12 | Release |
| KMAN1/A/13/5/17 | Bargain and sale |
| KMAN1/A/28/8/8 | Letter to the Duke of Manchester from Savile Cust, Stilton |
| KMAN1/A/28/8/9 | Letter to the Duke of Manchester from Savile Cockayne Cust |
| KMAN1/A/28/8/10 | Rent roll of the Duke of Manchester's Huntingdonshire estates |
| KMAN1/A/32/5/31 | Table showing "turns of waiting of the Gentlemen of the Bed Chamber" |
| KMAN1/A/32/5/33 | Menu for a dinner of the Lords of the Bedchamber on 9 October 1756 |
| KMAN1/A/32/5/50 | List of the children of Robert late Duke of Manchester and of his duchess Harriet nee Dunch |