Dr. Hayley J. Stewart1
From October 2017, her married name became Walker-Smith.1
Children of Dr. Hayley J. Stewart and Sir Daniel Derek Walker-Smith, 3rd Bt.
- Alexander Jonah William Walker-Smith1 b. c Dec 2017
- Nathaniel Arthur V. Walker-Smith1 b. 2019
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Alexander Jonah William Walker-Smith1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Nathaniel Arthur V. Walker-Smith1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
John Sébastien Collett1
Children of John Sébastien Collett and Charmian Lucinda Walker-Smith
- Tessa Rosemarie Collett-Smith1 b. 2016
- Romilie Deborah Collett-Smith1 b. 2019
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Tessa Rosemarie Collett-Smith1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Romilie Deborah Collett-Smith1
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Catherine Trevor Williams 
Her married name became Stedall.
Children of Catherine Trevor Williams and Colonel Henry Sidney Oliver Pemberton Stedall
- Rosalind Stedall+
- Lorna Stedall+ b. 1954
Lorna Stedall
Her married name became Heaton.
Child of Lorna Stedall and Mark Stuart Arthur Heaton
- Oliver James Stuart Heaton+1 b. 1983
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Oliver James Stuart Heaton1
Children of Oliver James Stuart Heaton and Clare H. C. Smith
- Maximilian Stewart Heaton1 b. 26 Mar 2015
- Harry Oliver Ralph Heaton1 b. 11 Feb 2020
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
Clare H. C. Smith1
From 2013, her married name became Heaton.1
Children of Clare H. C. Smith and Oliver James Stuart Heaton
- Maximilian Stewart Heaton1 b. 26 Mar 2015
- Harry Oliver Ralph Heaton1 b. 11 Feb 2020
- [S1122] Peerage News, online http://peeragenews.blogspot.co.nz/. Hereinafter cited as Peerage News.
