After 12 Sep 1692 Charles Livingston 2nd Earl of Newburgh and [his mother] Frances Brudenell Countess Newburgh were married. She by marriage Countess of Newburgh. He the son of James Livingston 1st Earl Newburgh and Catherine Howard Countess Newburgh. They were fourth cousins.

In May 1695 [his father] Richard Bellew 3rd Baron Bellew and [his mother] Frances Brudenell Countess Newburgh were married.

On 13 Sep 1731 John Bellew 4th Baron Bellew (age 29) and Anne Maxwell Baroness Bellew were married. She by marriage Baroness Bellew of Duleek. She the daughter of William Maxwell 5th Earl Nithsale and Winifred Herbert Countess Nithsdale (age 51). He the son of Richard Bellew 3rd Baron Bellew and Frances Brudenell Countess Newburgh.

On 29 Nov 1731 Justin Plunkett 5th Earl of Fingall and [his future wife] Mary FitzGerald Countess Fingall were married. He the son of Peter Plunkett 4th Earl of Fingall and Frances Hales Countess Fingall.

In Oct 1735 Valentine Browne 5th Baronet (age 40) and [his future wife] Mary FitzGerald Countess Fingall were married.

In 1737 John Bellew 4th Baron Bellew (age 35) and Mary FitzGerald Countess Fingall were married. He the son of Richard Bellew 3rd Baron Bellew and Frances Brudenell Countess Newburgh.

On 09 Nov 1737 Henry Hyde (age 26) and [his future sister-in-law] Frances Lee (age 16) were married. There is some uncertainty whether they married. She the daughter of George Henry Lee 2nd Earl Lichfield (age 47) and Frances Hales Countess Lichfield (age 40). He the son of Henry Hyde 2nd Earl Rochester 4th Earl Clarendon (age 65) and Jane Leveson-Gower Countess Rochester and Clarendon. She a great granddaughter of King Charles II of England Scotland and Ireland.

On 26 Oct 1744 Henry Dillon 11th Viscount Dillon (age 39) and [his future sister-in-law] Charlotte Lee Viscountess Dillon (age 20) were married. She the daughter of George Henry Lee 2nd Earl Lichfield and Frances Hales Countess Lichfield (age 47). She a great granddaughter of King Charles II of England Scotland and Ireland.

In May 1749 John Bellew 4th Baron Bellew (age 47) and Henrietta or Harriet Lee Baroness Bellew (age 23) were married. She by marriage Baroness Bellew of Duleek. The difference in their ages was 24 years. She the daughter of George Henry Lee 2nd Earl Lichfield and Frances Hales Countess Lichfield (age 52). He the son of Richard Bellew 3rd Baron Bellew and Frances Brudenell Countess Newburgh. She a great granddaughter of King Charles II of England Scotland and Ireland.

On 17 Dec 1749 Hugh Clifford 4th Baron Clifford Chudleigh (age 23) and [his sister-in-law] Anne Lee Baroness Clifford Chudleigh (age 18) were married. She by marriage Baroness Clifford of Chudleigh in Devon. She the daughter of George Henry Lee 2nd Earl Lichfield and Frances Hales Countess Lichfield (age 52). She a great granddaughter of King Charles II of England Scotland and Ireland.

In 1761 Nicholas Lawless 1st Baron Cloncurry (age 25) and [his former step-daughter] Margaret Browne Baroness Cloncurry (age 25) were married.