After her death in August 1751 he married, thirdly, Elizabeth Hastings, 16th Baroness Botreaux, daughter of Theophilus Hastings, 9th Earl of Huntingdon and Lady Selina Shirley, on 26 February 1752.
Hastings | 9th United States Congress | James Earl Jones | Prince Edward, Earl of Wessex | Louis Mountbatten, 1st Earl Mountbatten of Burma | Herbert Kitchener, 1st Earl Kitchener | Earl | Frederick Roberts, 1st Earl Roberts | Battle of Hastings | Earl of Derby | Earl Warren | Earl of Pembroke | Robert Harley, 1st Earl of Oxford and Earl Mortimer | Earl of Warwick | Thomas Wentworth, 1st Earl of Strafford | Edward Smith-Stanley, 14th Earl of Derby | Earl of Shrewsbury | William Pitt, 1st Earl of Chatham | Simon de Montfort, 6th Earl of Leicester | Richard Neville, 16th Earl of Warwick | Earl of Leicester | John Scott, 1st Earl of Eldon | 9th | Robert Devereux, 2nd Earl of Essex | Robert, 1st Earl of Gloucester | Edward Harley, 2nd Earl of Oxford and Earl Mortimer | Earl of Devon | Douglas Haig, 1st Earl Haig | My Name Is Earl | Huntingdon |
Theophilus Hastings, 7th Earl of Huntingdon's regiment, of which he was colonel 1685-1688, later 13th Regiment of Foot
With his first wife he had two sons and six daughters, including Thomas (1674–1675), George and Elizabeth.
Theophilus Hastings, 9th Earl of Huntingdon (12 November 1696 – 13 October 1746) was the son of Theophilus Hastings, 7th Earl of Huntingdon and Mary Frances Fowler.