Question: Who is Walter Long (Died 1610)'s paternal grandfather?

Knowledge 1: 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. [SEP] Knowledge 2: Robert Long (soldier)
Sir Robert Long (c. 1517 – c. 1581) was born in Wiltshire, eldest surviving son and heir of Sir Henry Long of Draycot, and his wife Eleanor Wrottesley.Long was Esquire of the Body to Henry VIII.He is recorded as being present at the reception of Anne of Cleves, and together with his father, he served at the Siege of Boulogne.He was given the manor of Calstone near Calne in 1538 in a grant by Henry VIII, and at least part of this land was still controlled by the Long family in 1704, when the rent from one farm called Tossells was used for a Draycot charity.He was appointed High Sheriff of Wiltshire in 1575, during the reign of Elizabeth I.He married Barbara Carne c. 1546and they had one daughter and four sons including:Sir Robert Long died at Draycot in 1581 and his wife died at Bulford in 1605.
Knowledge 1: 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. [SEP] Knowledge 2: Sir Walter Long, 2nd Baronet of Whaddon
Sir Walter Long, 2nd Baronet (1627 – 21 May 1710) was born in Wiltshire, the son of Sir Walter Long, 1st Baronet of Whaddon and his wife Mary Cox.He inherited the manor of Whaddon from his father in 1672, and three years later Rodmarton, his brother Robert's inheritance from their father (formerly owned by Robert Cox, father of Mary).In 1660 Walter's father had built a large addition to Whaddon House, which was surrounded by parkland.This manor house was destroyed by fire in the 19th century.Whaddon Grove Farm now stands on the site of the House, there remains a 17th-century back door in a moulded frame, and there are two stone former dairies.These two properties, together with most of the rest of his estates, descended to his nephew Calthorpe Parker Long (son of Sir Philip Parker, 1st Baronet).In 1706 Long purchased an estate in Sutton Veny, Wiltshire, which included Polebridge Farm.This eventually passed to Walter Long (of South Wraxall).He was Member of Parliament for Bath from 1679 (the Habeas Corpus Parliament) to 1681.Walter Long, 2nd Baronet, died unmarried at his house in James Street, Covent Garden, London, and the baronetcy became extinct.
Knowledge 1: Robert Long (soldier)
Sir Robert Long (c. 1517 – c. 1581) was born in Wiltshire, eldest surviving son and heir of Sir Henry Long of Draycot, and his wife Eleanor Wrottesley.Long was Esquire of the Body to Henry VIII.He is recorded as being present at the reception of Anne of Cleves, and together with his father, he served at the Siege of Boulogne.He was given the manor of Calstone near Calne in 1538 in a grant by Henry VIII, and at least part of this land was still controlled by the Long family in 1704, when the rent from one farm called Tossells was used for a Draycot charity.He was appointed High Sheriff of Wiltshire in 1575, during the reign of Elizabeth I.He married Barbara Carne c. 1546and they had one daughter and four sons including:Sir Robert Long died at Draycot in 1581 and his wife died at Bulford in 1605. [SEP] Knowledge 2: Sir Walter Long, 2nd Baronet of Whaddon
Sir Walter Long, 2nd Baronet (1627 – 21 May 1710) was born in Wiltshire, the son of Sir Walter Long, 1st Baronet of Whaddon and his wife Mary Cox.He inherited the manor of Whaddon from his father in 1672, and three years later Rodmarton, his brother Robert's inheritance from their father (formerly owned by Robert Cox, father of Mary).In 1660 Walter's father had built a large addition to Whaddon House, which was surrounded by parkland.This manor house was destroyed by fire in the 19th century.Whaddon Grove Farm now stands on the site of the House, there remains a 17th-century back door in a moulded frame, and there are two stone former dairies.These two properties, together with most of the rest of his estates, descended to his nephew Calthorpe Parker Long (son of Sir Philip Parker, 1st Baronet).In 1706 Long purchased an estate in Sutton Veny, Wiltshire, which included Polebridge Farm.This eventually passed to Walter Long (of South Wraxall).He was Member of Parliament for Bath from 1679 (the Habeas Corpus Parliament) to 1681.Walter Long, 2nd Baronet, died unmarried at his house in James Street, Covent Garden, London, and the baronetcy became extinct.

Answer: Henry Long