Anne Denman
Anne Denman( 1587–1661) was born in Olde Hall, Retford, Nottinghamshire.
Through a fortunate second marriage with Thomas Aylesbury, she became the grandmother of Lady Anne Hyde, Duchess of York and great- grandmother of Queen Mary II and Queen Anne.
Tjuyu
Tjuyu( sometimes transliterated as Thuya or Thuyu) was an Egyptian noblewoman and the mother of queen Tiye, and the wife of Yuya.
She is the grandmother of Akhenaten, and great grandmother of Tutankhamun.
Hannah Arnold
Hannah Arnold, also known as Hannah Waterman King, was the grandmother of Benedict Arnolds children.
Hubba bint Hulail
Hubba bint Hulail was the grandmother of Hashim ibn' Abd Manaf, thus the great- great- great- grandmother of the Islamic" Nabī"( Prophet) Muhammad ibn Abdullah.
Sir Robert Long, 6th Baronet
Sir Robert Long, 6th Baronet (1705 – 10 February 1767) was an English politician.
The only surviving son of Sir James Long, 5th Baronet and his wife Henrietta Greville, Long was baptised on 8 November 1705 at St Martin in the Fields, Westminster, London.
Educated at Balliol College, Oxford, he succeeded his father as 6th Baronet on 16 March 1729, and inherited the family estates, including the manors of Draycot and Athelhampton.
He was elected Member of Parliament for the rotten borough of Wootton Bassett in 1734, and for Wiltshire in 1741.
He married on 29 May 1735 at Woodford, Essex, Emma Child, the daughter of Richard Tylney, 1st Earl Tylney, of Wanstead (said to be possessed of 'almost revolting wealth'), and his wife Dorothy Glynn.
Sir Robert and Emma had two daughters and four sons including:
Many letters written by Sir Robert to his wife are held in the Wiltshire and Swindon Record Office, and furnish a picture of a happy marriage in the eighteenth century, illustrating a genuine affection for his wife, and fatherly love for his children, with nicknames such as 'Jemmy' and 'Dolly'.
He had good-natured relationships with his dependants, even going so far as choosing material for a new dress for Lady Emma's companion.
Sir Robert Long died on 10 February 1767 and was buried at Draycot.
His wife died on 8 March 1758.
Kaoru Hatoyama
After the elections of 2009, she became more widely known as the grandmother of Prime Minister Yukio Hatoyama and his politician brother Kunio Hatoyama.
Sir James Long, 5th Baronet
Sir James Long, 5th Baronet (1682 – 16 March 1729) was an English landowner and Tory politician who sat in the English and British House of Commons between 1695 and 1729.
The son of James Long and his wife Susan Strangways, he was born at Athelhampton and baptised at Melbury House, Dorchester, Dorset in 1682.
He was the grandson of Sir James Long, 2nd Baronet and brother of the celebrated Kit-Cat Club beauty Anne Long (c. 1681 – 1711).
He succeeded to the baronetcy on the death of his brother Sir Giles Long, 4th Baronet, in 1698.
He married Henrietta Greville on 6 June 1702 at St Martin in the Fields, Westminster, London.
She was the daughter of Fulke Greville, 5th Baron Brooke and his wife Sarah Dashwood, and a descendant of the Earl of Bedford.
On the death of his grandmother Lady Dorothy Long in 1710, he inherited the Draycot Estate together with Athelhampton Manor, other land in Wiltshire and Dorset, and an estate near Ripon in Yorkshire.
He used the inheritance to purchase more land in Dorset, adjacent to Athelhampton, in the manors of Burleston and Southover.
Long was returned as Member of Parliament for Chippenham at the 1705 English general election and again in 1708 and 1710.
At the 1715 British general election, he was returned as MP for Wootton Bassett.
He did not stand at the 1722 British general election but was returned as MP for Wiltshire in 1727.
Long died at his London residence in Jermyn Street on 16 March 1729 from apoplexy.
There were four daughters and two sons from his marriage.
Four of his six children survived him, including Robert who succeeded to the baronetcy.
His daughter Susanna created a scandal by marrying her mother's gardener in 1732, as noted in his diary by Viscount Perceval, (related distantly by marriage to the Longs).
Lady Henrietta Long died 19 May 1765 at Bath.
Robert M. Long
Robert M. Long was a member of the Wisconsin State Assembly.
Walter Long (died 1610)
Sir Walter Long (1560 or 1565? – October 1610) was an English knight and landowner, born in Wiltshire, the son of Sir Robert Long and his wife Barbara Carne.
James Tylney-Long
Sir James Tylney- Long, 7th Baronet( 1736 – 28 November 1794) was an English politician who sat in the House of Commons for 32 years from 1762 to 1794.
The eldest son of Sir Robert Long, 6th Baronet and his wife Emma Child, he succeeded his father as 7th Baronet on 10 February 1767, and inherited the family estates, including the manors of Draycot( Wiltshire) and Athelhampton( Dorset).

Question: Who is the paternal grandmother of Sir Robert Long, 6Th Baronet?
Answer: Susan Strangways