William Ley, 4th Earl of Marlborough 
He gained the title of 4th Earl of Marlborough. On his death, his title became extinct.
James Ley, 3rd Earl of Marlborough

He gained the title of 3rd Earl of Marlborough.
Frederick Archibald Dawnay1
Child of Frederick Archibald Dawnay and Maud Howard
- Jean Mary Dawnay+1 b. 22 Mar 1925, d. 14 Dec 2016
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Maud Howard1
She was a pianist at the Electric Theatre, Peckham.1 Her married name became Dawnay.1
Child of Maud Howard and Frederick Archibald Dawnay
- Jean Mary Dawnay+1 b. 22 Mar 1925, d. 14 Dec 2016
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Hon. Elizabeth Abernethy1,2
Her married name became Gordon.2
Children of Hon. Elizabeth Abernethy and John Gordon, 1st of Auchleuchries
- James Gordon, 1st of Cairnborrow+2
- John Gordon, 2nd of Auchleuchries+2 d. 9 Sep 1513
- [S37] BP2003 volume 3, page 3510. See link for full details for this source. Hereinafter cited as. [S37]
- [S6286] Clan MacFarlane and associated clans genealogy, online http://www.clanmacfarlanegenealogy.info. Hereinafter cited as Clan MacFarlane.
unknown wife (?)1
Her married name became Abernethy.1
Children of unknown wife (?) and William Abernethy, 2nd Lord Saltoun of Abernethy
- [S37] BP2003 volume 3, page 3510. See link for full details for this source. Hereinafter cited as. [S37]
unknown daughter Abernethy1 
- [S37] BP2003 volume 3, page 3510. See link for full details for this source. Hereinafter cited as. [S37]
unknown de London1
Children of unknown de London
- [S37] BP2003 volume 3, page 3511. See link for full details for this source. Hereinafter cited as. [S37]
Nesius de London1
- [S37] BP2003 volume 3, page 3511. See link for full details for this source. Hereinafter cited as. [S37]
Maria Franziska von Fürstenberg-Heiligenberg1
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
