Peerage Record – 35612

     Susan Coulson Tregarthen was born in 1862 at Cornwall, England.¹ She was the daughter of James Tregarthen and Susan Bevan Coulson.¹

     Dorothea Kathleen Mayhew was the daughter of Sir Basil Edgar Mayhew.² She married Francis Melville Heywood, son of Rt. Rev. Bernard Oliver Francis Heywood and Marion Maude Lemprière, on 28 December 1937.¹ She died in 1983.¹
     From 28 December 1937, her married name became Heywood. She adopted Michael Patrick Heywood.²

     Simon Paget Heywood was born on 18 January 1945.¹ He was the son of Francis Melville Heywood and Dorothea Kathleen Mayhew.² He married Sheila Madeleine Gibbs, daughter of Sir Frank Stannard Gibbs and Sylvia Madeleine Knight, on 29 July 1967.¹ He and Sheila Madeleine Gibbs were divorced in 1972.¹ He died in 1984.¹
     He was educated at Marlborough College, Marlborough, Wiltshire, England^G.¹ He graduated from New College, Oxford University, Oxford, Oxfordshire, England^G, in 1966 with a Bachelor of Arts (B.A.)¹ He graduated from New College, Oxford University, Oxford, Oxfordshire, England^G, with a Doctor of Philosophy (D.Phil.)¹

     Sir Frank Stannard Gibbs was born on 3 July 1895. He married Sylvia Madeleine Knight in 1944 at Buenos Aires, Argentina.² He died in 1983.
     He was appointed Knight Commander, Order of the British Empire (K.B.E.)¹ He was appointed Companion, Order of St. Michael and St. George (C.M.G.)¹ He was with the Foreign Service between 1920 and 1955. He held the office of Ambassador to The Phillippines between 1951 and 1955.

     Sheila Madeleine Gibbs is the daughter of Sir Frank Stannard Gibbs and Sylvia Madeleine Knight.^2,3 She married Simon Paget Heywood, son of Francis Melville Heywood and Dorothea Kathleen Mayhew, on 29 July 1967.¹ She and Simon Paget Heywood were divorced in 1972.¹
     From 29 July 1967, her married name became Heywood.

     Susan Frances Heywood was born on 8 March 1939.¹ She is the daughter of Francis Melville Heywood and Dorothea Kathleen Mayhew.² She married, firstly, Jean-Marc Duquesne, son of Leon Duquesne, on 25 November 1965.¹ She and Jean-Marc Duquesne were divorced in 1984.¹ She married an unknown person on 10 January 1990.¹
     From 25 November 1965, her married name became Duquesne. She lived in 2003 at 9 Residence des Canadiens, Puys, Neuville le Dieppe, Seine Maritime, France^G.¹

     Leon Duquesne lived at Roubaix, France^G.¹

     Jean-Marc Duquesne is the son of Leon Duquesne.² He married Susan Frances Heywood, daughter of Francis Melville Heywood and Dorothea Kathleen Mayhew, on 25 November 1965.¹ He and Susan Frances Heywood were divorced in 1984.¹

     Marc Dominic Duquesne was born on 9 December 1966.¹ He is the son of Jean-Marc Duquesne and Susan Frances Heywood.² He married Sylvie Bisson on 25 June 1994.¹

     Sylvie Bisson married Marc Dominic Duquesne, son of Jean-Marc Duquesne and Susan Frances Heywood, on 25 June 1994.¹
     From 25 June 1994, her married name became Duquesne.