Peerage Record – 43794

     Mary Mathiesen is the daughter of Anders Mathiesen.² She married John Alexander Henniker-Major, son of Hon. Richard Arthur Otway Henniker-Major and Nancy Pauline Stainton, on 18 September 1976.¹
     From 18 September 1976, her married name became Henniker-Major.

     Charlotte Alice Henniker-Major was born in 1979.¹ She is the daughter of John Alexander Henniker-Major and Mary Mathiesen.²

     Rose Clementine Henniker-Major was born on 6 October 1982.¹ She is the daughter of John Alexander Henniker-Major and Mary Mathiesen.² She married Dominic David O’Connor, son of Kenneth Anthony O’Connor and Alison M. Bland, in 2015.³
     From 2015, her married name became O’Connor.³

     George Richard Henniker-Major was born in 1985.¹ He is the son of John Alexander Henniker-Major and Mary Mathiesen.² He married Sophie L. Short, daughter of Andrew Short.³

     James William Benning lived at Montreal, Quebec, Canada.¹

     Margaret Osla Benning was the daughter of James William Benning.² She married John Patrick Edward Chandos Henniker-Major, 8th Baron Henniker of Stratford-upon-Slaney, son of John Ernest de Grey Henniker-Major, 7th Baron Henniker of Stratford-upon-Slaney and Molly Burnet, on 18 December 1946.¹ She died in October 1974.¹
     Margaret Osla Benning usually went by her middle name of Osla.² From 18 December 1946, her married name became Henniker-Major.

     Mark Ian Philip Chandos Henniker-Major, 9th Baron Henniker of Stratford-upon-Slaney was born on 29 September 1947.² He is the son of John Patrick Edward Chandos Henniker-Major, 8th Baron Henniker of Stratford-upon-Slaney and Margaret Osla Benning.² He married Lesley Antoinette Foskett, daughter of W/Cdr. G. W. Foskett, on 3 November 1973.² He and Lesley Antoinette Foskett were divorced in June 1995.²
     He was educated at Eton College, Windsor, Berkshire, England^G.² He graduated from Trinity College, Cambridge University, Cambridge, Cambridgeshire, England^G, with a Master of Arts (M.A.)² He graduated from London University, London, England^G, with a Master of Laws (LL.M.)² He was a practising solicitor.² He was appointed Fellow, Chartered Institute of Arbitraters (F.C.I.Arb.)² He lived in 2003 at Thornham Hall, Thornham Magna, Eye, Suffolk, England.² He succeeded as the 9th Baron Henniker of Stratford-upon-Slaney, co. Wicklow [I., 1800] on 29 April 2004.² He succeeded as the 6th Baron Hartismere, of Hartismere, Suffolk [U.K., 1866] on 29 April 2004.² He succeeded as the 10th Baronet Major, of Worlingworth Hall, Suffolk [G.B., 1765] on 29 April 2004.²

     Hon. Charles John Giles Henniker-Major was born on 2 September 1949.¹ He was the son of John Patrick Edward Chandos Henniker-Major, 8th Baron Henniker of Stratford-upon-Slaney and Margaret Osla Benning.² He married Sally D. M. Kemp Newby, daughter of Donald Newby, in 1980.¹ He died on 9 May 2012 at age 62.³
     He was educated at Stowe School, Buckingham, Buckinghamshire, England^G.¹ In 2003 at Great Chilton Farm, County Durham, England, (an unknown value.)¹

     Donald Newby lived at Halesworth, Suffolk, England^G.¹

     Sally D. M. Kemp Newby is the daughter of Donald Newby.² She married Hon. Charles John Giles Henniker-Major, son of John Patrick Edward Chandos Henniker-Major, 8th Baron Henniker of Stratford-upon-Slaney and Margaret Osla Benning, in 1980.¹
     From 1980, her married name became Henniker-Major.