Question: Who is James Cecil, 6Th Earl Of Salisbury's paternal grandfather?

Knowledge 1: James Cecil, 6th Earl of Salisbury
James Cecil, 6th Earl of Salisbury (20 October 1713 – 19 September 1780) was a British nobleman, politician, and peer.He was the son of James Cecil, 5th Earl of Salisbury, and his wife, Anne Cecil, Countess of Salisbury.He was known for his irregular life as "the Wicked Earl".He was educated at Westminster School, was High Steward of Hertford, and a Governor of the Foundling Hospital of London.He married in 1745 Elizabeth (1721–1776), daughter of Edward Keet of Canterbury,said by a contemporary source to have been a barber and a tourist guide.However, within a few years he separated from his Countess and lived as a recluse with his mistress, one Mrs. Mary Grave of Baldock, for the remaining 30 years of his life at Quickswood, in the parish of Clothall.His relationship with her predated his marriage.C. Price wrote of the liaison in 1771 (Hatfield House archives):“He lives upstairs … surrounded with old trunks and boxes and scattered books.Well or ill he never quits his chamber, never sees or converses with any but his old Dame, as he calls her, and his physician, who occasionally visits him.The servants are old and rusty like the dwelling.”James Cecil died on 19 September 1780, having had by Elizabeth Keet one son, James Cecil, who succeeded as 7th Earl and 1st Marquess of Salisbury, and two daughters (who died unmarried).Mrs. Grave received over £50,000 in his Will, besides jewellery, silver and furniture removed from Hatfield.In addition, the Earl bequeathed £43,000 to his seven children by her, one of whom was James Cecil Grave, rector of Hatfield and Clothall.The Will was unsuccessfully contested by the 7th Earl of Salisbury, who demolished Quickswood (c. 1790).Mary Grave died on 2 December 1789 at Baldock. [SEP] Knowledge 2: James Cecil, 5th Earl of Salisbury
James Cecil, 5th Earl of Salisbury (8 June 1691 – 9 October 1728), known as Viscount Cranborne from 1691 to 1694, was a British nobleman, politician, and peer.Salisbury was the son of James Cecil, 4th Earl of Salisbury, and Frances Bennett, and succeeded his father in the earldom in 1694.From 1712 to 1714 he served as Lord Lieutenant of Hertfordshire.Lord Salisbury married Lady Anne Tufton, daughter of Thomas Tufton, 6th Earl of Thanet, on 12 February 1709.They had four children:
Lord Salisbury died in October 1728, aged 37, and was succeeded in his titles by his son James.Lady Salisbury died in 1756.The Countess Anne school in Hatfield, founded in 1735, is named after her.
Knowledge 1: James Cecil, 6th Earl of Salisbury
James Cecil, 6th Earl of Salisbury (20 October 1713 – 19 September 1780) was a British nobleman, politician, and peer.He was the son of James Cecil, 5th Earl of Salisbury, and his wife, Anne Cecil, Countess of Salisbury.He was known for his irregular life as "the Wicked Earl".He was educated at Westminster School, was High Steward of Hertford, and a Governor of the Foundling Hospital of London.He married in 1745 Elizabeth (1721–1776), daughter of Edward Keet of Canterbury,said by a contemporary source to have been a barber and a tourist guide.However, within a few years he separated from his Countess and lived as a recluse with his mistress, one Mrs. Mary Grave of Baldock, for the remaining 30 years of his life at Quickswood, in the parish of Clothall.His relationship with her predated his marriage.C. Price wrote of the liaison in 1771 (Hatfield House archives):“He lives upstairs … surrounded with old trunks and boxes and scattered books.Well or ill he never quits his chamber, never sees or converses with any but his old Dame, as he calls her, and his physician, who occasionally visits him.The servants are old and rusty like the dwelling.”James Cecil died on 19 September 1780, having had by Elizabeth Keet one son, James Cecil, who succeeded as 7th Earl and 1st Marquess of Salisbury, and two daughters (who died unmarried).Mrs. Grave received over £50,000 in his Will, besides jewellery, silver and furniture removed from Hatfield.In addition, the Earl bequeathed £43,000 to his seven children by her, one of whom was James Cecil Grave, rector of Hatfield and Clothall.The Will was unsuccessfully contested by the 7th Earl of Salisbury, who demolished Quickswood (c. 1790).Mary Grave died on 2 December 1789 at Baldock. [SEP] Knowledge 2: James Cecil, 3rd Earl of Salisbury
James Cecil, 3rd Earl of Salisbury, (1648 – June 1683), known as Viscount Cranborne from 1660 to 1668, was an English nobleman and politician.
Knowledge 1: James Cecil, 5th Earl of Salisbury
James Cecil, 5th Earl of Salisbury (8 June 1691 – 9 October 1728), known as Viscount Cranborne from 1691 to 1694, was a British nobleman, politician, and peer.Salisbury was the son of James Cecil, 4th Earl of Salisbury, and Frances Bennett, and succeeded his father in the earldom in 1694.From 1712 to 1714 he served as Lord Lieutenant of Hertfordshire.Lord Salisbury married Lady Anne Tufton, daughter of Thomas Tufton, 6th Earl of Thanet, on 12 February 1709.They had four children:
Lord Salisbury died in October 1728, aged 37, and was succeeded in his titles by his son James.Lady Salisbury died in 1756.The Countess Anne school in Hatfield, founded in 1735, is named after her. [SEP] Knowledge 2: James Cecil, 3rd Earl of Salisbury
James Cecil, 3rd Earl of Salisbury, (1648 – June 1683), known as Viscount Cranborne from 1660 to 1668, was an English nobleman and politician.

Answer: James Cecil, 4th Earl of Salisbury