Christopher Paul O’Neill1
Christopher Paul O’Neill was born on 27 June 1974 at London, England.1 He is the son of Paul Cesario O’Neill and Eva Maria Walter.1 He married Madeleine Thérèse Amelie Josephine Bernadotte, Princess of Sweden, daughter of Carl XVI Gustav Bernadotte, King of Sweden and Silvia Renate Sommerlath, on 8 June 2013 at Royal Palace Chapel, Stockholm, Sweden.1
He was a partner of Noster Capital, a hedge fund.1
Children of Christopher Paul O’Neill and Madeleine Thérèse Amelie Josephine Bernadotte, Princess of Sweden
Lavinia Mary Hugonin1 
From 3 July 1957, her married name became Mowbray.
Children of Lavinia Mary Hugonin and Sir John Robert Mowbray, 6th Bt.
- Mary Clare Mowbray+2 b. 8 Jun 1959
- Teresa Jane Mowbray2 b. 7 Apr 1961
- Katherine Diana Mowbray+2 b. 23 Dec 1965
Mary Clare Mowbray1
From 12 May 1984, her married name became Delevingne.
Children of Mary Clare Mowbray and James Duncan Delevingne
- Benjamin James Delevingne2 b. 1984
- Oliver Guy Delevingne2 b. 1988
E. Norman Delevingne1
Child of E. Norman Delevingne
- James Duncan Delevingne+2 b. c 1958, d. 23 Jul 2016
James Duncan Delevingne1 
Children of James Duncan Delevingne and Mary Clare Mowbray
- Benjamin James Delevingne3 b. 1984
- Oliver Guy Delevingne3 b. 1988
Benjamin James Delevingne1
Oliver Guy Delevingne1
Teresa Jane Mowbray1
Katherine Diana Mowbray1
From 1993, her married name became Chastel de Boinville.
Children of Katherine Diana Mowbray and David Norman Chastel de Boinville
- William Mowbray Chastel de Boinville2 b. 1997
- Minna Chastel de Boinville2 b. 9 Dec 1999
Gerard Nicolas Pyemont Chastel de Boinville1
He was awarded the Territorial Decoration (T.D.)1 He lived at Walkern Hall, Hertfordshire, England.1 He was awarded the Military Cross (M.C.)1
Child of Gerard Nicolas Pyemont Chastel de Boinville and Hannah Mary Pryor
- [S37] BP2003 volume 2, page 2813. See link for full details for this source. Hereinafter cited as. [S37]
- [S339] Descendants of William the Conqueror, online http://www.william1.co.uk/. Hereinafter cited as Descendants of William the Conqueror.
- [S37] BP2003. [S37]
