Anthea Christine McMullan1 
From 16 September 1944, her married name became Seely.1 After her marriage, Anthea Christine McMullan was styled as Baroness Mottistone on 4 December 1966.
Children of Anthea Christine McMullan and David Peter Seely, 4th Baron Mottistone
- Penelope Caroline Seely3 b. 20 Jun 1947, d. 30 Nov 1955
- Peter John Philip Seely, 5th Baron Mottistone+1 b. 29 Oct 1949, d. 23 Jan 2013
- Hon. Diana Mary Seely+3 b. 30 Jul 1954
- Hon. Victoria Ann Seely+3 b. 23 Dec 1957
- Hon. Patrick Michael Seely+3 b. 12 Oct 1960
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 718. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S203] Announcements, The Times, London, U.K., 25 November 2010. Hereinafter cited as The Times.
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Thomas Victor Wallace McMullan1,2
Child of Thomas Victor Wallace McMullan
- Anthea Christine McMullan+1 d. 22 Nov 2010
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 718. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Peter John Philip Seely, 5th Baron Mottistone1 
He was educated at Uppingham School, Uppingham, Rutland, EnglandG.1 He lived in 1999 at Alendale, Uckfield Lane, Hever, Kent, EnglandG.2 He succeeded as the 5th Baron Mottistone, of Mottistone, co. Southampton [U.K., 1933] on 24 November 2011.
Child of Peter John Philip Seely, 5th Baron Mottistone and Joyce Cairns
- Christopher David Peter Seely, 6th Baron Mottistone2 b. 1 Oct 1974
Children of Peter John Philip Seely, 5th Baron Mottistone and Linda Swain
- Hon. Penelope Jane Seely2 b. 1984
- Hon. Jennifer Elizabeth Seely2 b. 1986
- Hon. Richard William Anthony Seely2 b. 1988
- Hon. Caroline Mary Seely2 b. 1990
- [S2] Peter W. Hammond, editor, The Complete Peerage or a History of the House of Lords and All its Members From the Earliest Times, Volume XIV: Addenda & Corrigenda (Stroud, Gloucestershire, U.K.: Sutton Publishing, 1998), page 718. Hereinafter cited as The Complete Peerage, Volume XIV.
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
- [S37] BP2003 volume 2, page 2800. See link for full details for this source. Hereinafter cited as. [S37]
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Joyce Cairns1
From 26 May 1972, her married name became Seely.1
Child of Joyce Cairns and Peter John Philip Seely, 5th Baron Mottistone
- Christopher David Peter Seely, 6th Baron Mottistone1 b. 1 Oct 1974
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Robert Cairns1
Child of Robert Cairns
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Christopher David Peter Seely, 6th Baron Mottistone1
He succeeded as the 6th Baron Mottistone, of Mottistone, co. Southampton [U.K., 1933] on 23 January 2013.
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Linda Swain1
From 1982, her married name became Seely.1
Children of Linda Swain and Peter John Philip Seely, 5th Baron Mottistone
- Hon. Penelope Jane Seely1 b. 1984
- Hon. Jennifer Elizabeth Seely1 b. 1986
- Hon. Richard William Anthony Seely1 b. 1988
- Hon. Caroline Mary Seely1 b. 1990
W. A. Swain1
Child of W. A. Swain
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Hon. Richard William Anthony Seely1
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]
Hon. Penelope Jane Seely1
- [S8] BP1999 volume 2, page 2012. See link for full details for this source. Hereinafter cited as. [S8]