Maj.-Gen. Sir John Hanbury-Williams1
He was appointed Knight Commander, Order of the Bath (K.C.B.)1 He was appointed Companion, Order of St. Michael and St. George (C.M.G.)1 He held the office of Marshal of the Diplomatic Corps.1 He was appointed Knight Grand Cross, Royal Victorian Order (G.C.V.O.)1
Child of Maj.-Gen. Sir John Hanbury-Williams
Child of Maj.-Gen. Sir John Hanbury-Williams and Annie Reiss
- Sir John Coldbrook Hanbury-Williams+1 b. 28 May 1892, d. 10 Aug 1965
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
- [S37] BP2003 volume 2, page 2679. See link for full details for this source. Hereinafter cited as. [S37]
Annie Reiss1
Her married name became Hanbury-Williams.1
Child of Annie Reiss and Maj.-Gen. Sir John Hanbury-Williams
- Sir John Coldbrook Hanbury-Williams+1 b. 28 May 1892, d. 10 Aug 1965
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
Barbara Hanbury-Williams1 
From 26 January 1950, her married name became Cantacuzene.1 From 31 July 1965, her married name became Edwards.2 She lived in 1993 at Long Sutton House, Long Sutton, Langport, Somerset, EnglandG.1
Children of Barbara Hanbury-Williams and Prince Michael Cantacuzene, Count Speransky
- Prince Serge Michel Cantacuzene, Count Speransky+1 b. 13 May 1952
- Princess Alexandra Elizabeth Cantacuzene-Speransky+1 b. 16 Jun 1956
Children of Barbara Hanbury-Williams and James Valentine Edwards
- Caroline Antonia Edwards2 b. 1 Jun 1966
- Charlotte Eleanor Marina Edwards2 b. 12 Sep 1968
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
- [S60] Charles and Hugh Brogan Mosley, American Presidential Families, page 467.
- [S466] Notices, The Telegraph, London, UK. Hereinafter cited as The Telegraph.
Prince Michael Cantacuzene, Count Speransky1
Children of Prince Michael Cantacuzene, Count Speransky and Barbara Hanbury-Williams
- Prince Serge Michel Cantacuzene, Count Speransky+1 b. 13 May 1952
- Princess Alexandra Elizabeth Cantacuzene-Speransky+1 b. 16 Jun 1956
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
Prince Serge Cantacuzene, Count Speransky1
Child of Prince Serge Cantacuzene, Count Speransky and Marie Okolisczanyi
- Prince Michael Cantacuzene, Count Speransky+1 b. 12 Oct 1913
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
Marie Okolisczanyi1
Her married name became Cantacuzene.1
Child of Marie Okolisczanyi and Prince Serge Cantacuzene, Count Speransky
- Prince Michael Cantacuzene, Count Speransky+1 b. 12 Oct 1913
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
Prince Serge Michel Cantacuzene, Count Speransky1
He was educated at Harrow School, Harrow, London, EnglandG.1 He was educated at University of North Carolina, Chapel Hill, North Carolina, U.S.A.G.1 He lived in 1993 at Dorking Tye House, Dorking Tye, Bures, Suffolk, EnglandG.1 He was a coffee and commodity broker.1
Children of Prince Serge Michel Cantacuzene, Count Speransky and Reverend Mary Jacqueline Mason
- Prince Rodion Michael Cantacuzene-Speransky1 b. 22 Jun 1979
- Prince Alexei Peter Cantacuzene-Speransky+1 b. 25 Feb 1981
- Princess Elizabeth Irina Cantacuzene-Speransky+1 b. 5 Sep 1984
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
- [S7269] Serge Cantacuzene, “re: Cantacuzene Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 18 September 2014. Hereinafter cited as “re: Cantacuzene Family.”
Reverend Mary Jacqueline Mason1
From 26 July 1975, her married name became Cantacuzene.1
Children of Reverend Mary Jacqueline Mason and Prince Serge Michel Cantacuzene, Count Speransky
- Prince Rodion Michael Cantacuzene-Speransky1 b. 22 Jun 1979
- Prince Alexei Peter Cantacuzene-Speransky+1 b. 25 Feb 1981
- Princess Elizabeth Irina Cantacuzene-Speransky+1 b. 5 Sep 1984
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
- [S7269] Serge Cantacuzene, “re: Cantacuzene Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 18 September 2014. Hereinafter cited as “re: Cantacuzene Family.”
Captain Michael Henry Mason1
He gained the rank of Captain in the Royal Navy.1
Child of Captain Michael Henry Mason and Dorothy Margaret Sturdee
- Reverend Mary Jacqueline Mason+1 b. 9 Dec 1952
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.
Dorothy Margaret Sturdee1
Child of Dorothy Margaret Sturdee and Captain Michael Henry Mason
- Reverend Mary Jacqueline Mason+1 b. 9 Dec 1952
- [S60] Charles and Hugh Brogan Mosley, editor, American Presidential Families (London, U.K.: Alan Sutton and Morris Genealogical Books, 1994), page 466. Hereinafter cited as American Presidential Families.