Alexander Dalzell1 
- [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 57. Hereinafter cited as The New Extinct Peerage.
John Dalzell1 
Child of John Dalzell
- [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 57. Hereinafter cited as The New Extinct Peerage.
Eliza Jane Dalzell1
Her married name became Leake.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 57. Hereinafter cited as The New Extinct Peerage.
Jonas M. Leake1
He graduated with a Doctor of Medicine (M.D.)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 57. Hereinafter cited as The New Extinct Peerage.
Margaret Dalzell1 
From 18 October 1777, her married name became Grierson.1
Children of Margaret Dalzell and Sir Robert Grierson of Lag, 5th Bt.
- John Anna Grierson2
- Sir Alexander Gilbert Grierson of Lag, 6th Bt.+4 b. 10 Mar 1777, d. 14 Mar 1840
- Lt.-Col. William Grierson+5 b. 7 Aug 1778, d. 30 Nov 1865
- Elizabeth Douglas Grierson5 b. 1779, d. 11 Oct 1862
- Charles Grierson+2 b. 1 Jul 1783, d. 1 Jan 1854
- Henrietta Grierson2 b. 15 Dec 1784
- Mary Margaret Grierson+5 b. 24 Apr 1789, d. 3 Dec 1871
- Ann Grierson2 b. 28 Mar 1791
- Robert Grierson2 b. 28 Apr 1791
- Margaret Grierson2 b. 13 Dec 1796, d. 3 May 1813
- Grace Douglas Grierson2 b. 17 May 1798, d. 6 May 1886
- Judith Grierson2 b. 2 Sep 1800, d. 27 Apr 1813
- [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 57. Hereinafter cited as The New Extinct Peerage.
- [S2249] David Alan, 1960 (aka Lyon) Grierson, “re: Grierson Family,” e-mail message to BENR, 16 April 2007. Hereinafter cited as “re: Grierson Family.”
- [S235] Deaths, The Scots Magazine, Mitchell Library Complex, 5th Floor, Glasgow, U.K.. Hereinafter cited as The Scots Magazine.
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 329. Hereinafter cited as The Complete Baronetage.
- [S37] BP2003 volume 2, page 1682. See link for full details for this source. Hereinafter cited as. [S37]
Sir Robert Grierson of Lag, 5th Bt.1 
He was commissioned with the rank of Ensign, in the service of the 6th Foot.2 He gained the rank of Lieutenant on 10 October 1761 in the 11th Foot.2 He retired from the military in 1763.2 He succeeded as the 5th Baronet Grierson, of Lag, co. Dumfries [N.S., 1685] on 7 February 1766.2 He has an extensive biographical entry in the Gentlemans Magazine.5

Children of Sir Robert Grierson of Lag, 5th Bt. and Margaret Dalzell
- John Anna Grierson4
- Sir Alexander Gilbert Grierson of Lag, 6th Bt.+6 b. 10 Mar 1777, d. 14 Mar 1840
- Lt.-Col. William Grierson+7 b. 7 Aug 1778, d. 30 Nov 1865
- Elizabeth Douglas Grierson7 b. 1779, d. 11 Oct 1862
- Charles Grierson+4 b. 1 Jul 1783, d. 1 Jan 1854
- Henrietta Grierson4 b. 15 Dec 1784
- Mary Margaret Grierson+7 b. 24 Apr 1789, d. 3 Dec 1871
- Ann Grierson4 b. 28 Mar 1791
- Robert Grierson4 b. 28 Apr 1791
- Margaret Grierson4 b. 13 Dec 1796, d. 3 May 1813
- Grace Douglas Grierson4 b. 17 May 1798, d. 6 May 1886
- Judith Grierson4 b. 2 Sep 1800, d. 27 Apr 1813
- [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 57. Hereinafter cited as The New Extinct Peerage.
- [S15] George Edward Cokayne, editor, The Complete Baronetage, 5 volumes (no date (c. 1900); reprint, Gloucester, U.K.: Alan Sutton Publishing, 1983), volume IV, page 328. Hereinafter cited as The Complete Baronetage.
- [S37] BP2003 volume 2, page 1692. See link for full details for this source. Hereinafter cited as. [S37]
- [S2249] David Alan, 1960 (aka Lyon) Grierson, “re: Grierson Family,” e-mail message to BENR, 16 April 2007. Hereinafter cited as “re: Grierson Family.”
- [S218] Unknown author, “Obituaries”, Gentleman’s Magazine : October 1839, pages 422-423, transcribed by David Grierson. Hereinafter cited as “Obituaries.”
- [S15] George Edward Cokayne, The Complete Baronetage, volume IV, page 329.
- [S37] BP2003. [S37]
Elizabeth Dalzell1 
- [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 57. Hereinafter cited as The New Extinct Peerage.
- [S474] FamilySearch, online http://www.familysearch.com. Hereinafter cited as FamilySearch.
Elizabeth Dalzell1 
- [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 57. Hereinafter cited as The New Extinct Peerage.
Amelia Andalusia Dalzell1 
- [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 57. Hereinafter cited as The New Extinct Peerage.
Lady Emma Maria Dalzell1 
- [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 57. Hereinafter cited as The New Extinct Peerage.