On 29 May 1766 [her father] Henry Belasyse 2nd Earl Fauconberg (age 24) and [her mother] Charlotte Lamb Countess Fauconberg (age 23) were married. She by marriage Countess Fauconberg. He the son of Thomas Belasyse 1st Earl Fauconberg (age 67).

On 14 Feb 1786 Robert Edward Petre 10th Baron Petre (age 22) and [her future sister-in-law] Mary Bridget Howard Baroness Petre (age 18) were married. They were third cousin once removed. He a great x 3 grandson of King Charles II of England Scotland and Ireland.

On 16 Jan 1788 Robert Edward Petre 9th Baron Petre (age 45) and [her future sister-in-law] Juliana Barbara Howard Baroness Petre (age 18) were married. The difference in their ages was 27 years. They were fourth cousins. He a great x 2 grandson of King Charles II of England Scotland and Ireland.

On 23 Apr 1789 Bernard Howard 12th Duke of Norfolk (age 23) and Elizabeth Belasyse Duchess Norfolk (age 19) were married. She the daughter of Henry Belasyse 2nd Earl Fauconberg (age 47) and Charlotte Lamb Countess Fauconberg (age 46).

On 26 May 1794 Richard Bingham 2nd Earl Lucan (age 29) and Elizabeth Belasyse Duchess Norfolk (age 24) were married. She the daughter of Henry Belasyse 2nd Earl Fauconberg (age 52) and Charlotte Lamb Countess Fauconberg. He the son of Charles Bingham 1st Earl Lucan (age 58) and Margaret Smith Countess Lucan (age 54).

On 12 Sep 1801 [her brother-in-law] Henry Howard-Molyneux-Howard (age 34) and Elizabeth Long were married.

Before 1815 [her son] Henry Charles Howard 13th Duke of Norfolk (age 23) and [her daughter-in-law] Charlotte Sophia Leveson-Gower Duchess Norfolk (age 26) were married. She the daughter of George Granville Leveson-Gower 1st Duke Sutherland (age 56) and Elizabeth Sutherland Duchess Sutherland 19th Countess Sutherland (age 49). He the son of Bernard Howard 12th Duke of Norfolk (age 49) and Elizabeth Belasyse Duchess Norfolk (age 44).

On 27 Mar 1815 [her son-in-law] George Harcourt (age 29) and [her daughter] Elizabeth Bingham were married. She the daughter of Richard Bingham 2nd Earl Lucan (age 50) and Elizabeth Belasyse Duchess Norfolk (age 45). He the son of Archbishop Edward Venables-Vernon-Harcourt (age 57) and Anne Leveson-Gower (age 54).

On 22 Aug 1817 [her son-in-law] Francis Charles Charteris 9th Earl Wemyss (age 21) and [her daughter] Louisa Bingham Countess Wemyss (age 19) were married in Paris [Map]. She the daughter of Richard Bingham 2nd Earl Lucan (age 52) and Elizabeth Belasyse Duchess Norfolk (age 47). He the son of Francis Charteris 8th Earl Wemyss Douglas 4th Earl March (age 45).