Harrowby was the son of John Ryder, 5th Earl of Harrowby and his wife the Hon Mabel Danvers Smith. William Henry Smith, another former Member of Parliament and a member of the W H Smith bookseller family, was his maternal grandfather.
Harrowby was also a member of the Commission on Historical Manuscripts from 1935 to 1966 and was the author of Geography of Everyday Things and (jointly) England at Worship.[2]
In 1956 he succeeded his father in the earldom and entered the House of Lords.
Hon John Stuart Terrick Dudley Ryder (12 April 1924 – 25 October 2012)[5]
Lady Frances Virginia Susan Ryder (20 June 1926 – 9 June 2013)
Death
Lady Harrowby died in 1974. Lord Harrowby survived her by thirteen years and died in May 1987, at the age of 94. He was succeeded in his titles by his elder son Dudley.
References
Kidd, Charles, Williamson, David (editors). Debrett's Peerage and Baronetage (1990 edition). New York: St Martin's Press, 1990.