Oliver Mallet1 
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Diana Isabel Mallet1
- [S6448] Bram Sonneveld, “re: Oppenheimer Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 27 November 2012. Hereinafter cited as “re: Oppenheimer Family.”
Joseph Peyton Lambert1 
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
John Sempill Lambert1 
Child of John Sempill Lambert and Constance Annie de Gruchy
- Colonel Denis de Gruchy Lambert+1 b. 8 Sep 1900, d. Feb 1994
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Constance Annie de Gruchy1
Her married name became Lambert.1
Child of Constance Annie de Gruchy and John Sempill Lambert
- Colonel Denis de Gruchy Lambert+1 b. 8 Sep 1900, d. Feb 1994
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Colonel Denis de Gruchy Lambert1 
Children of Colonel Denis de Gruchy Lambert and Ella Mary Gwendolen Powell
- Mark de Gruchy Lambert1 b. 1937
- Peter de Gruchy Lambert1 b. 1939
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Ella Mary Gwendolen Powell1
From 1933, her married name became Lambert.1
Children of Ella Mary Gwendolen Powell and Colonel Denis de Gruchy Lambert
- Mark de Gruchy Lambert1 b. 1937
- Peter de Gruchy Lambert1 b. 1939
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Mark de Gruchy Lambert1
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Peter de Gruchy Lambert1
- [S1042] Peter Wood, “re: Persse Family,” e-mail message to British and European Nobility Register, 2003 to 2021. Hereinafter cited as “re: Persse Family.”
Ignatius Michael COnstantin Augustus Maria McMahon1
- [S8578] Michael McMahon, “re: McMahon Family,” family provided evidence then verified by subsequent research and verification by BENR (101053), 14 July 2018. Hereinafter cited as “re: McMahon Family.”
