Sir Peter Michael Ohlson, 4th Bt.1
He was educated at Harrow School, Harrow, London, England.1 He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England, in 1962 with a Bachelor of Arts (B.A.)1 He was managing director of Foods Divison, then managing director of Express Dairy Company between 1974 and 1985.1 He was partner of Tyzack & Partners in 1995.1 He lived in 2003 at 33 The Avenue, Kew, Surrey, England.1 He succeeded as the 4th Baronet Ohlson, of Scarborough, North Riding, co. York [U.K., 1920] on 19 March 2017.
Children of Sir Peter Michael Ohlson, 4th Bt. and Sarah Brodie
- Gemma Ohlson+2 b. 8 Oct 1971
- Emily Jane Ohlson+2 b. 1974
John Shepherd1 
He was chairman of the East India Company.1
- [S18] Matthew H.C.G., editor, Dictionary of National Biography on CD-ROM (Oxford, U.K.: Oxford University Press, 1995). Hereinafter cited as Dictionary of National Biography.
Sarah Brodie1
From 18 October 1968, her married name became Ohlson.
Children of Sarah Brodie and Sir Peter Michael Ohlson, 4th Bt.
- Gemma Ohlson+2 b. 8 Oct 1971
- Emily Jane Ohlson+2 b. 1974
Gemma Ohlson1
From 2 June 2007, her married name became Roundell.2 She lived in 2014 at Llewellyn House, Kew Green, Richmond, Surrey, England.2
Children of Gemma Ohlson and Ian John Roundell
- Jemima Jane Roundell2 b. 2007
- Millie Sarah Roundell2 b. 2009
- [S37] BP2003 volume 2, page 2992. See link for full details for this source. Hereinafter cited as. [S37]
- [S8095] Emma Ohlson, “re: Ohlson Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 28 September 2016. Hereinafter cited as “re: Ohlson Family.”
- [S37] BP2003. [S37]
Emily Jane Ohlson1
Her married name became Nelson.3
Children of Emily Jane Ohlson and Robert Nelson
- James Nelson3
- Charlie Nelson3
- Jack Nelson3 b. 21 May 2008
Christine Rose Ohlson1
From 23 September 1978, her married name became Agnew. From 15 November 1986, her married name became Clancey.1 She lived in 2003 at 71 Marshal’s Drive, St. Albans, Hertfordshire, England.1
Child of Christine Rose Ohlson and Christopher John Clancey
- Holly Rebecca Clancey2 b. 1988
Maurice Hargreaves Agnew1 
He lived at Slough, Berkshire, England.1
Child of Maurice Hargreaves Agnew and Mildred Marshall
- Timothy M. Agnew3 b. 1951
- [S37] BP2003 volume 2, page 2992. See link for full details for this source. Hereinafter cited as. [S37]
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S37] BP2003. [S37]
Timothy M. Agnew1
- [S37] BP2003 volume 2, page 2992. See link for full details for this source. Hereinafter cited as. [S37]
- [S4567] Bill Norton, “re: Pitman Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 6 April 2010 and 19 April 2011. Hereinafter cited as “re: Pitman Family.”
- [S37] BP2003. [S37]
Holly Rebecca Clancey1
Gerald Thomas Ohlson1 
He was educated at Harrow School, Harrow, London, England, Harrow.1
Child of Gerald Thomas Ohlson and Marjorie Beryl Davies
- Christopher Mark Ohlson2 b. 3 Jun 1944