biography text
During the Forty-five, while supposed by popular rumour to be marching to join the Young Pretender in Lancashire, Grosvenor was presented at court, ‘having never been there before, and always counted very high [Tory]’.1HMC 15th Rep. VII, 333; A. Mordaunt to Lady Hertford, 3 Dec. 1745, Northumberland mss. He was one of the prominent Tories who agreed to support the Prince of Wales’s programme in 1747.2Add. 35870, ff. 129-30. On 27 Feb. 1748 Thomas Carew reported to Lord Orrery, a leading Jacobite: ‘It is said Sir R. Grosvenor is soon to be made a peer, but I hope without foundation’.3Orrery Pprs. ii. 17. He died 1 Aug. 1755.