[1] He was educated at Westminster School and admitted on 24 January 1849 to Trinity College, Cambridge, matriculating in 1855, he was awarded MA graduation in 1858.

[7] On 19 March 1872 he was sworn of the Privy Council and appointed Vice-Chamberlain of the Household by William Ewart Gladstone, a post he held until the government fell in 1874.

He remained in this post until 1885, but disagreed with Gladstone over Irish Home Rule and resigned his seat in protest (by accepting appointment as a Steward of the Chiltern Hundreds in 1886.

[8] On 15 April 1882, Grosvenor resigned his command of the Dorsetshire Yeomanry Cavalry and was appointed honorary colonel of the regiment,[9] a post he held until 1895.

In 1867 he was prompted by Emperor Napoleon III to head an international committee to promote a populist view of a Channel Tunnel, which contemplated a submarine railway between England and France.