Question: Who is Ailwyn Fellowes, 1St Baron Ailwyn's paternal grandfather?

Knowledge 1: Ailwyn Fellowes, 1st Baron Ailwyn
Ailwyn Edward Fellowes, 1st Baron Ailwyn (10 November 1855 – 23 September 1924), was a British businessman, farmer and Conservative politician.He was a member of Arthur Balfour's cabinet as President of the Board of Agriculture between March and December 1905. [SEP] Knowledge 2: Edward Fellowes, 1st Baron de Ramsey
Edward Fellowes, 1st Baron de Ramsey DL (14 May 1809 – 9 August 1887) was a British Conservative Member of Parliament.De Ramsey was the son of William Henry Fellowes, of Ramsey Abbey in Huntingdonshire, and Emma Benyon.He was elected to the House of Commons for Huntingdonshire in 1837, a seat he held for 43 years, until 1880.In July 1887, only a month before his death, he was raised to the peerage as Baron de Ramsey, of Ramsey Abbey in the County of Huntingdon.His seat was Haveringland Hall.Lord de Ramsey married, in 1845, Hon.Mary Julia Milles, daughter of George Milles, 4th Baron Sondes.He died in August 1887, aged 78, and was succeeded in the barony by his eldest son William Henry Fellowes.The Dowager Lady de Ramsey died 10 April 1901.Their younger son Ailwyn Fellowes was a Conservative politician, elevated to the peerage as Baron Ailwyn in 1921.
Knowledge 1: Ailwyn Fellowes, 1st Baron Ailwyn
Ailwyn Edward Fellowes, 1st Baron Ailwyn (10 November 1855 – 23 September 1924), was a British businessman, farmer and Conservative politician.He was a member of Arthur Balfour's cabinet as President of the Board of Agriculture between March and December 1905. [SEP] Knowledge 2: William Henry Fellowes
William Henry Fellowes( 15 July 1769 – 23 August 1837), of Ramsey Abbey in Huntingdonshire and Haverland Hall in Norfolk, was a British Member of Parliament.Fellowes was the son of William Fellowes and Lavinia Smyth.He was elected to the House of Commons for Huntingdon in 1796, a seat he held until 1807, and then represented Huntingdonshire from 1807 to 1830.Fellowes married Emma Benyon, daughter of Richard Benyon MP.Their eldest surviving son Edward Fellowes was elevated to the peerage as Baron de Ramsey in 1887.Their third son, Richard, was Conservative MP for Berkshire.Two of their grandsons, William Fellowes, 2nd Baron de Ramsey, and Ailwyn Fellowes, 1st Baron Ailwyn, were both Conservative government ministers.Fellowes died in August 1837, aged 68.Another grandson, James Herbert Benyon, was Lord Lieutenant of Berkshire.
Knowledge 1: Edward Fellowes, 1st Baron de Ramsey
Edward Fellowes, 1st Baron de Ramsey DL (14 May 1809 – 9 August 1887) was a British Conservative Member of Parliament.De Ramsey was the son of William Henry Fellowes, of Ramsey Abbey in Huntingdonshire, and Emma Benyon.He was elected to the House of Commons for Huntingdonshire in 1837, a seat he held for 43 years, until 1880.In July 1887, only a month before his death, he was raised to the peerage as Baron de Ramsey, of Ramsey Abbey in the County of Huntingdon.His seat was Haveringland Hall.Lord de Ramsey married, in 1845, Hon.Mary Julia Milles, daughter of George Milles, 4th Baron Sondes.He died in August 1887, aged 78, and was succeeded in the barony by his eldest son William Henry Fellowes.The Dowager Lady de Ramsey died 10 April 1901.Their younger son Ailwyn Fellowes was a Conservative politician, elevated to the peerage as Baron Ailwyn in 1921. [SEP] Knowledge 2: William Henry Fellowes
William Henry Fellowes( 15 July 1769 – 23 August 1837), of Ramsey Abbey in Huntingdonshire and Haverland Hall in Norfolk, was a British Member of Parliament.Fellowes was the son of William Fellowes and Lavinia Smyth.He was elected to the House of Commons for Huntingdon in 1796, a seat he held until 1807, and then represented Huntingdonshire from 1807 to 1830.Fellowes married Emma Benyon, daughter of Richard Benyon MP.Their eldest surviving son Edward Fellowes was elevated to the peerage as Baron de Ramsey in 1887.Their third son, Richard, was Conservative MP for Berkshire.Two of their grandsons, William Fellowes, 2nd Baron de Ramsey, and Ailwyn Fellowes, 1st Baron Ailwyn, were both Conservative government ministers.Fellowes died in August 1837, aged 68.Another grandson, James Herbert Benyon, was Lord Lieutenant of Berkshire.

Answer: William Henry Fellowes