In 1677 [his father] John Ashburnham 1st Baron Ashburnham (age 20) and [his mother] Bridget Vaughan Baroness Ashburnham were married at Westminster Abbey [Map].

On 21 May 1706 John Annesley 4th Earl Anglesey (age 30) and [his future wife] Henrietta Stanley Countess Anglesey (age 19) were married. She by marriage Countess Anglesey. She the daughter of William Stanley 9th Earl of Derby and Elizabeth Butler Countess Derby (age 46). He the son of James Annesley 2nd Earl Anglesey and Elizabeth Manners Countess Anglesey.

On 21 Oct 1710 John Ashburnham 1st Earl Ashburnham (age 23) and Mary Butler Baroness Ashburnham were married. She by marriage Baroness Ashburnham of Ashburnham in Sussex. She the daughter of James Butler 2nd Duke Ormonde (age 45) and Mary Somerset Duchess Ormonde (age 46).

On 24 Jul 1714 John Ashburnham 1st Earl Ashburnham (age 27) and Henrietta Stanley Countess Anglesey (age 27) were married. She by marriage Baroness Ashburnham of Ashburnham in Sussex. She the daughter of William Stanley 9th Earl of Derby and Elizabeth Butler Countess Derby (age 54).

On 20 Feb 1717 John Campbell 3rd Earl Breadalbaine and Holland (age 20) and [his future sister-in-law] Amabel Grey (age 19) were married. She the daughter of Henry Grey 1st Duke Kent (age 46) and Jemima Crew Marchioness Kent (age 42). He the son of John Campbell 2nd Earl Breadalbaine and Holland (age 54) and Henrietta Villiers Countess Breadalbaine and Holland.

Before 30 Oct 1724 John Ashburnham 1st Earl Ashburnham (age 37) and Jemima Grey Countess Ashburham (age 25) were married. She by marriage Baroness Ashburnham of Ashburnham in Sussex. She the daughter of Henry Grey 1st Duke Kent (age 53) and Jemima Crew Marchioness Kent (age 49).

On 09 Jan 1727 Charles Cavendish (age 22) and [his sister-in-law] Anne Grey were married. She the daughter of Henry Grey 1st Duke Kent (age 56) and Jemima Crew Marchioness Kent (age 52). He the son of William Cavendish 2nd Duke Devonshire (age 55) and Rachel Russell Duchess Devonshire.