Arthur Knowles Davies1 
Child of Arthur Knowles Davies and Ethel Mary Circuitt
- Betty Davies+3 b. 1902, d. 1976
- [S37] BP2003 volume 2, page 1698. 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.
- [S37] BP2003. [S37]
Betty Davies1 
From 26 July 1923, her married name became Guinness. She lived in 1976 at Tibs Cottage, Parbold, Wigan, Lancashire, England.4
Children of Betty Davies and John Cecil Cope Jenkinson Guinness
- Cecil Edward Guinness+3 b. 1924
- Robin Arthur Guinness+3 b. 26 Sep 1925, d. 17 Oct 2019
- Iveagh Perry Guinness+3 b. 1927
- Mary Carol Guinness+3 b. 1928, d. 25 Oct 2007
- Richard Iveagh Guinness3 b. 19 Dec 1938
- [S37] BP2003 volume 2, page 1698. 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.
- [S37] BP2003. [S37]
- [S47] BIFR1976 page 528. See link for full details for this source. Hereinafter cited as. [S47]
Cecil Edward Guinness1
Cecil Edward Guinness usually went by his middle name of Edward. He lived in 2003 at Fulmer Villap, Buckinghamshire, England.3
Children of Cecil Edward Guinness and Elizabeth Thompson
Elizabeth Thompson1
Her married name became Guinness.
Children of Elizabeth Thompson and Cecil Edward Guinness
- [S37] BP2003 volume 2, page 1698. See link for full details for this source. Hereinafter cited as. [S37]
Robin Arthur Guinness1 
He gained the rank of Lieutenant-Commander in the Royal Navy Reserve and Fleet Air Arm.1 He was educated at Stowe School, Buckingham, Buckinghamshire, EnglandG.1 He was sales director for Crockett & Jones.1 He lived in 2003 at Hardingstone, Northamptonshire, England. He lived in 2003 at Glengariffe, Sandsend, Whitby, Yorkshire, England.3
Children of Robin Arthur Guinness and Judith Anne Hare
- Andrew Arthur Clifford Guinness2 b. 11 Aug 1961
- Alina Doone Guinness2 b. 18 Apr 1963
Clifford Pitts Hare1 
He lived at Scarcroft Manor, Thorner, Yorkshire, EnglandG.1
Child of Clifford Pitts Hare and Martha Annie Sykes
- Judith Anne Hare+3 b. 1925, d. 1986
- [S37] BP2003 volume 2, page 1698. 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.
- [S37] BP2003. [S37]
Judith Anne Hare1 
From 29 October 1952, her married name became Guinness.
Children of Judith Anne Hare and Robin Arthur Guinness
- Andrew Arthur Clifford Guinness3 b. 11 Aug 1961
- Alina Doone Guinness3 b. 18 Apr 1963
- [S37] BP2003 volume 2, page 1698. 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.
- [S37] BP2003. [S37]
- [S47] BIFR1976 page 528. See link for full details for this source. Hereinafter cited as. [S47]
Andrew Arthur Clifford Guinness1
Alina Doone Guinness1
Iveagh Perry Guinness1
Iveagh Perry Guinness usually went by his middle name of Perry. He lived in 2003 at Woollabra, Sydney, New South Wales, Australia.2
Child of Iveagh Perry Guinness and Daphne Pollard
- Rupert Guinness3 b. 1962