In 1737 [his father] Nicholas Bayly 2nd Baronet Bayly of Plas Newydd in Anglesey (age 28) and [his mother] Caroline Paget Lady Plas Newydd Anglesey (age 30) were married. She by marriage Lady Bayly of Plas Newydd in Anglesey.

In 1767 Henry Bayly-Paget 1st Earl Uxbridge (age 22) and Jane Champagné Countess Uxbridge (age 25) were married.

On 05 Jul 1795 [his son] Henry William Paget 1st Marquess Anglesey (age 27) and [his daughter-in-law] Caroline Elizabeth Villiers Duchess Argyll (age 20) were married. She the daughter of George Bussy Villiers 4th Earl Jersey (age 60) and Frances Twysden (age 42). He the son of Henry Bayly-Paget 1st Earl Uxbridge (age 51) and Jane Champagné Countess Uxbridge (age 53).

In Apr 1797 [his son-in-law] George Stewart 8th Earl Galloway (age 29) and [his daughter] Jane Paget Countess Galloway (age 22) were married. She the daughter of Henry Bayly-Paget 1st Earl Uxbridge (age 52) and Jane Champagné Countess Uxbridge (age 55). He the son of John Stewart 7th Earl Galloway (age 61) and Anne Dashwood Countess Galloway (age 54).

In 1801 [his son-in-law] James Erskine (age 28) and [his daughter] Louisa Paget (age 23) were married. She the daughter of Henry Bayly-Paget 1st Earl Uxbridge (age 56) and Jane Champagné Countess Uxbridge (age 59).

Before 1803 [his son-in-law] John Thomas Capell (age 34) and [his daughter] Caroline Paget (age 29) were married. She the daughter of Henry Bayly-Paget 1st Earl Uxbridge (age 58) and Jane Champagné Countess Uxbridge (age 60). He the son of William Anne Capell 4th Earl Essex and Harriet Bladen Countess Essex (age 67).

In 1803 [his son-in-law] Thomas North Graves 2nd Baron Graves (age 27) and [his daughter] Mary Paget Baroness Graves (age 19) were married. She by marriage Baroness Graves of Gravesend in Londonderry. She the daughter of Henry Bayly-Paget 1st Earl Uxbridge (age 58) and Jane Champagné Countess Uxbridge (age 61).

In 1805 [his son-in-law] John Cole 2nd Earl Enniskillen (age 36) and [his daughter] Charlotte Paget Countess Enniskillen (age 23) were married. She by marriage Countess Enniskillen. She the daughter of Henry Bayly-Paget 1st Earl Uxbridge (age 60) and Jane Champagné Countess Uxbridge (age 63). He the son of William Willoughby Cole 1st Earl Enniskillen and Anne Lowry-Corry Countess Enniskillen.

Before 15 Jul 1806 [his son] Vice Admiral Charles Paget (age 27) and [his daughter-in-law] Elizabeth Araminta Monck (age 19) were married. He the son of Henry Bayly-Paget 1st Earl Uxbridge (age 62) and Jane Champagné Countess Uxbridge (age 64).

Before 1809 [his son] Berkeley Thomas Paget (age 28) and [his daughter-in-law] Sophia Askell Bucknall were married. He the son of Henry Bayly-Paget 1st Earl Uxbridge (age 64) and Jane Champagné Countess Uxbridge (age 66).

In 1809 [his son] Arthur Paget (age 37) and [his daughter-in-law] Augusta Fane Baroness Boringdon (age 23) were married. She the daughter of John Fane 10th Earl of Westmoreland (age 49) and Sarah Anne Child Countess of Westmoreland. He the son of Henry Bayly-Paget 1st Earl Uxbridge (age 64) and Jane Champagné Countess Uxbridge (age 67).

On 29 Nov 1810 [his son] Henry William Paget 1st Marquess Anglesey (age 42) and [his daughter-in-law] Caroline Elizabeth Villiers Duchess Argyll (age 35) were divorced by an act of Parliament as a result of his having had an affair with [his future daughter-in-law] Charlotte Cadogan Marchioness Anglesey (age 29) whose husband Henry Wellesley 1st Baron Cowley (age 37) also sought a divorce.

After 19 Dec 1810 [his son] Henry William Paget 1st Marquess Anglesey (age 42) and [his daughter-in-law] Charlotte Cadogan Marchioness Anglesey (age 29) were married. She the daughter of Charles Sloane Cadogan 1st Earl Cadogan and Mary Churchill Countess Cadogan (age 52). He the son of Henry Bayly-Paget 1st Earl Uxbridge (age 66) and Jane Champagné Countess Uxbridge (age 68).