Emma Elizabeth Dunnington-Jefferson1
Thomas Dunnington1 
He lived at Thorganby Hall, Yorkshire, EnglandG.1 He was (an unknown value) before 1685 at West Cottingworth, Yorkshire, East Riding, EnglandG.1
Child of Thomas Dunnington
- John Dunnington+2 b. 1697, d. 1759
John Dunnington1 
Child of John Dunnington
- John Dunnington+2 b. 1735, d. 1810
John Dunnington1 
Children of John Dunnington
- John Dunnington-Jefferson1 b. 1759, d. 1840
- Joseph Dunnington+2 b. 1769, d. 1835
Joseph Dunnington1 
Child of Joseph Dunnington and Mary Toutill
- Reverend Joseph Dunnington-Jefferson+2 b. 17 Jul 1807, d. 31 Jul 1880
Mary Toutill1
Her married name became Dunnington.
Child of Mary Toutill and Joseph Dunnington
- Reverend Joseph Dunnington-Jefferson+2 b. 17 Jul 1807, d. 31 Jul 1880
Emelie Famin1 
Her married name became Franks.1
Child of Emelie Famin and Robert Campbell Franks
- Dorothy Campbell Franks1 b. 7 Sep 1877
General Sir Henry Maghull Mervin Vavasour, 2nd Bt.1
He gained the title of 2nd Baronet Vavasour.
Children of General Sir Henry Maghull Mervin Vavasour, 2nd Bt.
- Anna Mervinia Vavasour+2
- Sir Henry Mervyn Vavasour, 3rd Bt.+ b. 17 Jun 1814, d. 9 Dec 1912
Anna Mervinia Vavasour1 
From 23 May 1837, her married name became Dunnington.1 From 1841, her married name became Dunnington-Jefferson.
Children of Anna Mervinia Vavasour and Reverend Joseph Dunnington-Jefferson
- Mervinia Jane Dunnington-Jefferson2 d. 31 May 1905
- Caroline Emma Dunnington-Jefferson2 d. Oct 1852
- Mary Campbell Dunnington-Jefferson2 d. 24 Feb 1889
- Theodosia Dunnington-Jefferson2 d. 19 Oct 1940
- Joseph John Dunnington-Jefferson2 b. 19 Nov 1845, d. 21 Mar 1928
- Mervyn Dunnington-Jefferson+2 b. 10 Feb 1850, d. 21 Mar 1912
- Thomas Trafford Dunnington-Jefferson2 b. 14 Dec 1852, d. 1 Apr 1882