Yvonne Mary Platt1
From 20 June 1945, her married name became Woolley.1
Children of Yvonne Mary Platt and Peter Melsome Woolley
- Rosemary Anne Woolley2 b. 9 Jun 1947
- John Richard Woolley2 b. 29 Dec 1949
Major Richard Melsome Woolley1
Child of Major Richard Melsome Woolley
Peter Melsome Woolley1
Children of Peter Melsome Woolley and Yvonne Mary Platt
- Rosemary Anne Woolley2 b. 9 Jun 1947
- John Richard Woolley2 b. 29 Dec 1949
John Richard Woolley1
Rosemary Anne Woolley1
unknown daughter Chapman1
- [S47] BIFR1976 page 1201. See link for full details for this source. Hereinafter cited as. [S47]
Arthur Charles Cannon1
Child of Arthur Charles Cannon
- Margaret Irene Cannon+2 d. 1987
Margaret Irene Cannon1 
She graduated with a Bachelor of Medicine (M.B.)1 She graduated from Sheffield University, Sheffield, Yorkshire, West Riding, EnglandG, with a Bachelor of Surgery (Ch.B.)1 She graduated from Manchester University, Manchester, Lancashire, EnglandG, with a Diploma in Psychological Medicine (D.P.M.)1 From 18 August 1922, her married name became Platt.1 After her marriage, Margaret Irene Cannon was styled as Baroness Platt, of Grindleford, co. Derby [U.K.] on 16 January 1967.1
Children of Margaret Irene Cannon and Robert Platt, Baron Platt
- Sir Peter Platt, 2nd Bt.+2 b. 6 Jul 1924, d. 3 Aug 2000
- Hon. Joan Elizabeth Platt+2 b. 6 May 1927
- Hon. Helen Margaret Platt+2 b. 16 Mar 1933
Sir Peter Platt, 2nd Bt.1 
He was educated at Abbotsholme School, Rocester, Uttoxeter, Staffordshire, EnglandG.1 He gained the rank of officer in the Royal Navy Volunteer Reserve Coastal Forces.1 He fought in the Second World War between 1942 and 1945, he was mentioned in despatches.1 He graduated from Magdalen College, Oxford University, Oxford, Oxfordshire, EnglandG, in 1949 with a Bachelor of Arts (B.A.)1 He graduated from Magdalen College, Oxford University, Oxford, Oxfordshire, EnglandG, in 1950 with a Bachelor of Music (B.Mus.)1 He was a lecturer and senior lecturer of Music between 1952 and 1957 at Sydney University, Sydney, New South Wales, AustraliaG.1 He graduated from Magdalen College, Oxford University, Oxford, Oxfordshire, EnglandG, in 1954 with a Master of Arts (M.A.)1 He graduated from Magdalen College, Oxford University, Oxford, Oxfordshire, EnglandG, in 1954 with a Bachelor of Letters (B.Litt.)1 He was educated at Royal College of Music, London, EnglandG.1 He was a professor of Music between 1957 and 1975 at Otago University, Dunedin, New ZealandG.1 He was appointed Fellow, Guidhall School of Music in 1973.1 He was a professor of Music between 1975 and 1989 at Sydney University, Sydney, New South Wales, AustraliaG.1 He succeeded as the 2nd Baronet Platt, of Grindleford, co. Derby [U.K., 1959] on 30 June 1978.1
Children of Sir Peter Platt, 2nd Bt. and Jean Halliday Brentnall
- Margaret Platt2 b. 18 Oct 1949
- Sir Martin Philip Platt, 3rd Bt.+2 b. 9 Mar 1952
- Katherine Platt2 b. 5 Sep 1956
Hon. Joan Elizabeth Platt1
She was educated at Slade School of Art, London, EnglandG.1 She graduated from Manchester University, Manchester, Lancashire, EnglandG, in 1952 with a Bachelor of Arts (B.A.)1 She was a teacher.1 From 20 September 1952, her married name became Allen.1 She lived at 10 Buckwood Close, Hazel Grove, Stockport, Cheshire, England.1
Children of Hon. Joan Elizabeth Platt and John Bunting Allen
- Jonathan Robert Allen2 b. 15 Sep 1953
- Paul Bunting Allen2 b. 4 Apr 1956
- Mark Benedict Allen2 b. 28 Jan 1965
