| Husband: | Jacob Pleydell-Bouverie (1815-1889) | |
| Wife: | Mary Augusta Frederica Grimston (1821-1879) | |
| Children: | Kenelm Pleydell-Bouverie (1852-1921) | |
| Marriage | 3 Oct 1840 | |
| Name: | Jacob Pleydell-Bouverie | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Birth | 18 Sep 1815 | |
| Death | 11 Mar 1889 (age 73) | |
| Name: | Mary Augusta Frederica Grimston | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Birth | 29 Jul 1821 | |
| Death | 5 Apr 1879 (age 57) | |
| Name: | Kenelm Pleydell-Bouverie | |
| Sex: | Male | |
| Spouse: | Evelyn Bertie Charlotte Maitland-Makgill-Crichton (c. 1878-1936) | |
| Birth | 29 Mar 1852 | Britford, Wiltshire |
| Death | 11 Jul 1921 (age 69) | Freelands, Wherwell, Hampshire |
Jacob Pleydell-Bouverie, 4th Earl of Radnor (18 September 1815 – 11 March 1889), was the son of William Pleydell-Bouverie, 3rd Earl of Radnor and Judith Anne St John-Mildmay. He was styled Viscount Folkestone from 1828 until 1869.
He was educated at Harrow and Christ Church, Oxford. On 2 October 1837, he was commissioned a cornet in the Salisbury Troop of the Royal Wiltshire Regiment of Yeomanry. He was a lieutenant in the Regiment from 20 May 1840 to April 1847.
He married Lady Mary Augusta Frederica Grimston, daughter of James Walter Grimston, 1st Earl of Verulam, on 3 October 1840. They had twelve children.
He was appointed High Sheriff of Wiltshire in 1846 and a deputy lieutenant of Berkshire on 2 May 1855. He succeeded his father as Earl of Radnor in 1869 and was appointed Lord Lieutenant of Wiltshire in 1878.
https://en.wikipedia.org/wiki/Jacob_Pleydell-Bouverie,_4th_Earl_of_Radnor