question: Who is John Wodehouse, 1St Baron Wodehouse's paternal grandmother?
context: Title: John Wodehouse, 1st Baron Wodehouse
  Passage: John Wodehouse, 1st Baron Wodehouse (4 April 1741 – 29 May 1834), known as Sir John Wodehouse, 6th Baronet, from 1777 to 1797, was a British landowner, Member of Parliament and peer. Wodehouse was the son of Sir Armine Wodehouse, 5th Baronet, and Letitia Bacon. He succeeded his father in the baronetcy in 1777 and in 1784 he was elected to the House of Commons for Norfolk, a seat he held until 1797. In that year, he was raised to the peerage as Baron Wodehouse, of Kimberley in the County of Norfolk. In 1778, Wodehouse commissioned Capability Brown, to undertake a series of enhancements to his country seat, Kimberley Hall near Wymondham (Brown had previously undertaken works for Sir Armine in 1762). By 1827, Woodhouse had developed a pleasure ground, a southwards extension to the park and three lodged entrances. The landscape which Wodehouse created has largely survived and is listed Grade II *.
  Lord Wodehouse married Sophia Berkeley, daughter of the Hon. Charles Berkeley, in 1769. He died in May 1834 aged 93, and was succeeded in his titles by his eldest son John.
  Title: Sir Armine Wodehouse, 5th Baronet
  Passage: Sir Armine Wodehouse, 5th Baronet( c. 1714 – 21 May 1777), was a British Tory Member of Parliament. Wodehouse was the son of Sir John Wodehouse, 4th Baronet, and Mary Fermor. His unusual first name reflects his connection with the Airmine Baronets through his grandmother Anne Airmine. He was elected to the House of Commons for Norfolk in 1737, a seat he held until 1768. In 1754 he succeeded his father in the baronetcy and to the family seat of Kimberley Hall in Norfolk. Wodehouse married Letitia Bacon, daughter of Sir Edmund Bacon, 6th Baronet, in 1738. He died in 1777 and was succeeded in the baronetcy by his eldest son John, who was created Baron Wodehouse in 1797 and who was the great- grandfather of statesman John Wodehouse, 1st Earl of Kimberley. Wodehouse's second son Reverend Philip Wodehouse( 1745- 1811) was the great- grandfather of the author P. G. Wodehouse while his third son Thomas Wodehouse was the grandfather of the colonial administrator Sir Philip Wodehouse.
answer: Mary Fermor
citations: John Wodehouse, 1st Baron Wodehouse Sir Armine Wodehouse, 5th Baronet