On 01 Feb 1678 [her father] William Bentinck 1st Earl of Portland (age 28) and Anne Villiers Countess Portland 1651-1688 (age 27) were married. She by marriage Countess of Portland.
On 09 Apr 1689 a number of new peers were created at the Coronation William III and Mary II ...
Charles Paulet 1st Duke Bolton (age 59) was created 1st Duke Bolton.
Charles Mordaunt 3rd Earl Peterborough 1st Earl Monmouth (age 31) was created 1st Earl Monmouth. Carey Fraser Countess Peterborough and Monmouth (age 29) by marriage Countess Monmouth.
Thomas Belasyse 1st Earl Fauconberg (age 62) was created 1st Earl Fauconberg. Mary Cromwell Countess Fauconberg (age 52) by marriage Countess Fauconberg.
[her father] William Bentinck 1st Earl of Portland (age 39) was created 1st Earl of Portland.
Before 27 Feb 1697 John Berkeley 3rd Baron Berkeley (age 34) and [her mother] Jane Martha Temple Countess Portland (age 25) were married. She by marriage Baroness Berkeley of Stratton in Cornwall.
On 12 May 1700 [her father] William Bentinck 1st Earl of Portland (age 50) and [her mother] Jane Martha Temple Countess Portland (age 28) were married. She by marriage Countess of Portland. The difference in their ages was 22 years.
On 12 Nov 1705 Harriet Bentinck Countess Clanbrassil was born to William Bentinck 1st Earl of Portland (age 56) and Jane Martha Temple Countess Portland (age 33).
On 23 Nov 1709 [her father] William Bentinck 1st Earl of Portland (age 60) died. His son [her half-brother] Henry Bentinck 1st Duke Portland 1682-1726 (age 27) succeeded 2nd Earl of Portland.
On 15 Oct 1728 (age 34) and Harriet Bentinck Countess Clanbrassil (age 22) were married. She the daughter of William Bentinck 1st Earl of Portland and Jane Martha Temple Countess Portland (age 56).
On 21 May 1744 [her son] (age 13) and [her daughter-in-law] Grace Foley Countess Clanbrassil 1743-1813 (age 1) were married at St Peter aka Oxford Chapel Vere Street Marylebone [Map]. He the son of (age 49) and Harriet Bentinck Countess Clanbrassil 1705-1792 (age 38).
In 1751 [her mother] Jane Martha Temple Countess Portland (age 79) died.
On 11 Dec 1752 [her son-in-law] Robert Jocelyn 1st Earl Roden 1731-1797 (age 21) and [her daughter] (age 22) were married. She the daughter of (age 58) and Harriet Bentinck Countess Clanbrassil 1705-1792 (age 47).
On 24 Nov 1756 [her husband] (age 62) was created 1st Earl Clanbrassil. Harriet Bentinck Countess Clanbrassil (age 51) by marriage Countess Clanbrassil.
Paternal Family Tree: Bentinck
Maternal Family Tree: Jane Yarner 1708
Harriet Bentinck Countess Clanbrassil 1705-1792
Great x 4 Grandfather: Peter Temple of Stowe
Great x 3 Grandfather: Anthony Temple
Great x 2 Grandfather: William Temple
Great x 1 Grandfather: John Temple of Dublin
GrandFather: John Temple
Mother: Jane Martha Temple Countess Portland
Great x 1 Grandfather: Abraham Yarner
GrandMother: Jane Yarner