Eberhard, Count of Norgau1 
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
Wulfthryth (?)1
Child of Wulfthryth (?) and Eadgar ‘the Peaceful’, King of England
- Eadgyth (?)1 d. b 988
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
Eadgyth (?)1,2 
She was the Abbess at Wilton, Wiltshire, EnglandG.1
- [S52] G. S. P. Freeman-Grenville, The Queen’s Lineage: from A.D. 495 to the Silver Jubilee of Her Majesty Queen Elizabeth II (London , U.K.: Rex Collings, 1977), page 4. Hereinafter cited as The Queen’s Lineage.
- [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 27. Hereinafter cited as Handbook of British Chronology.
William Alexander Richard Heatherwick1
Children of William Alexander Richard Heatherwick and Jennifer Anset
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
Robert James Heatherwick1
Children of Robert James Heatherwick and Barbara Fen
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
- [S9302] Martin Webber, “re: Simonds Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 10 Mar 2021. Hereinafter cited as “re: Simonds Family.”
Maureen Twigg1
Her married name became FitzMaurice.1
Children of Maureen Twigg and William FitzMaurice
- David FitzMaurice1 b. c 1955
- Catherine FitzMaurice1 b. c 1956
- Charlotte FitzMaurice1 b. c 1980
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
David FitzMaurice1
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
Catherine FitzMaurice1
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
Charlotte FitzMaurice1
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
Sarah Anne de Montmorency1 
Sarah Anne de Montmorency also went by the nick-name of Sally.1 From 7 September 1963, her married name became FitzMaurice.1
Children of Sarah Anne de Montmorency and Arthur William Reville Brian FitzMaurice
- Arthur William John FitzMaurice1 b. 11 Apr 1965
- Christopher Brian Maurice FitzMaurice1 b. 22 Oct 1969
- [S1444] Letter from Jim Fitzmaurice (22 Bell Road, Lower Hutt, New Zealand) to British and European Nobility Register, 18 August 2005; unknown repository (unknown repository address).
