Katherine Elizabeth Forbes1 
From 17 May 1784, her married name became Wellesley-Pole. After her marriage, Katherine Elizabeth Forbes was styled as Baroness Maryborough of Maryborough on 17 July 1821.1 After her marriage, Katherine Elizabeth Forbes was styled as Countess of Mornington on 26 September 1842.1
Children of Katherine Elizabeth Forbes and William Wellesley-Pole, 3rd Earl of Mornington
- Lady Mary Charlotte Anne Wellesley-Pole+2 d. 2 Feb 1845
- Lady Priscilla Anne Wellesley-Pole+2 d. 18 Feb 1879
- William Pole-Tylney-Long-Wellesley, 4th Earl of Mornington+3 b. 22 May 1788, d. 1 Jul 1857
- Lady Emily Harriet Wellesley-Pole+2 b. 1792, d. 6 Mar 1881
- [S6] G.E. Cokayne; with Vicary Gibbs, H.A. Doubleday, Geoffrey H. White, Duncan Warrand and Lord Howard de Walden, editors, The Complete Peerage of England, Scotland, Ireland, Great Britain and the United Kingdom, Extant, Extinct or Dormant, new ed., 13 volumes in 14 (1910-1959; reprint in 6 volumes, Gloucester, U.K.: Alan Sutton Publishing, 2000), volume IX, page 240. Hereinafter cited as The Complete Peerage.
- [S9] Charles Kidd and David Williamson, editor, DeBretts Peerage and Baronetage (London, U.K.: DeBrett’s Peerage, 1999), volume 2, page 2972. Hereinafter cited as DeBretts Peerage, 1999.
- [S6] Cokayne, and others, The Complete Peerage, volume IX, page 239.
Frances White1
From 1801, her married name became Dunne.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 21. Hereinafter cited as The New Extinct Peerage.
General E. Dunne1
He lived at Brittas, County Laois, IrelandG.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 21. Hereinafter cited as The New Extinct Peerage.
Ranieri Marchese del Monferrato1 
Children of Ranieri Marchese del Monferrato and Gisèle de Bourgogne-Comté
- Giovanna del Monferrato2 d. 1191
- Guglielmo V Marchese del Monferrato+1 b. 1100, d. 1191
Hon. Simon White1 
He gained the rank of officer in the British Army.1
- [S21] L. G. Pine, The New Extinct Peerage 1884-1971: Containing Extinct, Abeyant, Dormant and Suspended Peerages With Genealogies and Arms (London, U.K.: Heraldry Today, 1972), page 22. Hereinafter cited as The New Extinct Peerage.
Ælfgar, Earl of Mercia1
He gained the title of Earl of Mercia.1
Child of Ælfgar, Earl of Mercia and Elfleda (?)
- Ealdgyth (?)+1 d. a 1070
Children of Ælfgar, Earl of Mercia
- [S58] E. B. Fryde, D. E. Greenway, S. Porter and I. Roy, editors, Handbook of British Chronology, 3rd edition (London, U.K.: Royal Historical Society, 1986), page 29. Hereinafter cited as Handbook of British Chronology.
- [S130] Wikipedia, online http;//www.wikipedia.org. Hereinafter cited as Wikipedia.
Ælfhelm, Ealdorman of Northampton1
He gained the title of Ealdorman of Northhampton.1
Child of Ælfhelm, Ealdorman of Northampton and Wulfrun (?)
- Ælgifu of Northampton+ b. c 996, d. c 1044
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 30. Hereinafter cited as Britain’s Royal Families.
Sveyn I ‘Forkbeard’ Haraldsson, King of Denmark and England1 
He succeeded as the King Sveyn I of Denmark on 1 November 986.2 He was deposed as King of Denmark in 987.2 He succeeded as the King Sveyn I of Denmark in 1000.2 He gained the title of King Sveyn I of England in 1013.
Children of Sveyn I ‘Forkbeard’ Haraldsson, King of Denmark and England and Gunhilda of Poland
- Gytha Sveynsdottir+
- Gunhilda Sveynsdottir
- daughter Sveynsdottir+4
- Santslaue Sveynsdottir4
- Thyra Sveynsdottir b. c 993
- Harald II Sveynsson, King of Denmark3 b. c 994, d. bt 1018 – 1019
- Canute II Sveynsson, King of England and Denmark+3 b. c 995, d. 12 Nov 1035
Child of Sveyn I ‘Forkbeard’ Haraldsson, King of Denmark and England and Sigrid ‘the Haughty’ (?)
- Astrid Sveynsdottir+3 b. c 997
- [S11] Alison Weir, Britain’s Royal Families: The Complete Genealogy (London, U.K.: The Bodley Head, 1999), page 24. Hereinafter cited as Britain’s Royal Families.
- [S11] Alison Weir, Britain’s Royal Families, page 25.
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 149. Hereinafter cited as Dynasties of the World.
- [S11] Alison Weir, Britain’s Royal Families, page 26.
Gunhilda of Poland 
Children of Gunhilda of Poland and Sveyn I ‘Forkbeard’ Haraldsson, King of Denmark and England
- Gytha Sveynsdottir+
- Gunhilda Sveynsdottir
- daughter Sveynsdottir+2
- Santslaue Sveynsdottir2
- Thyra Sveynsdottir b. c 993
- Harald II Sveynsson, King of Denmark b. c 994, d. bt 1018 – 1019
- Canute II Sveynsson, King of England and Denmark+ b. c 995, d. 12 Nov 1035
Mieszko I, Duke of Poland1 
He was also known as Mieczyslaw. He gained the title of Duke of Poland circa 960.1
Child of Mieszko I, Duke of Poland
- Adelheid von Polen+2 b. c 955, d. a 997
Children of Mieszko I, Duke of Poland and Dubrawka von Böhmen
- Gunhilda of Poland+ d. a 1014
- Vladivoj, Duke of Bohemia3 d. 1003
- Boleslaw I, King of Poland+1 b. 967, d. 17 Jul 1025
- [S38] John Morby, Dynasties of the World: a chronological and genealogical handbook (Oxford, Oxfordshire, U.K.: Oxford University Press, 1989), page 157. Hereinafter cited as Dynasties of the World.
- [S7803] Christof Steineg von Steinig, online unknown url, Christof Steineg von Steinig (unknown location).
- [S38] John Morby, Dynasties of the World, page 155.