William Johnston1 
Children of William Johnston and Catherine Morice
- Rachel Johnston2 d. 15 Dec 1886
- Margaret Johnston2 d. 28 Oct 1876
- David Morice Johnston2 b. 19 May 1804, d. 21 Feb 1863
- Alexander Johnston2 b. 4 Jun 1809, d. 14 Jun 1880
- Robert Johnston+2 b. 16 Dec 1810, d. 24 Feb 1887
David Morice1
Child of David Morice
- Catherine Morice+2 d. 25 Mar 1855
Catherine Morice1 
From 24 October 1801, her married name became Johnston.
Children of Catherine Morice and William Johnston
- Rachel Johnston2 d. 15 Dec 1886
- Margaret Johnston2 d. 28 Oct 1876
- David Morice Johnston2 b. 19 May 1804, d. 21 Feb 1863
- Alexander Johnston2 b. 4 Jun 1809, d. 14 Jun 1880
- Robert Johnston+2 b. 16 Dec 1810, d. 24 Feb 1887
David Morice Johnston1 
Alexander Johnston1 
He was Writer to the Signet (W.S.)1
John Leith Ross of Arnage and Bourtie1
Child of John Leith Ross of Arnage and Bourtie
- Christina Martha Ross2 d. 21 Apr 1878
Christina Martha Ross1 
From 1 January 1836, her married name became Johnston.
Robert Johnston1 
Children of Robert Johnston and Mary Hadden
- Catherine Johnston2 d. 17 Jan 1900
- unknown daughter Johnston1
- unknown daughter Johnston1
- unknown daughter Johnston1
- William Johnston2 b. 16 Apr 1843, d. 26 Dec 1914
- Sir George Johnston of Caskieben, 10th Bt.2 b. 21 Apr 1849, d. 11 May 1921
George Hadden1
Child of George Hadden
- Mary Hadden+2 d. 8 Jan 1872
Mary Hadden1 
From 7 July 1835, her married name became Johnston.
Children of Mary Hadden and Robert Johnston
- Catherine Johnston2 d. 17 Jan 1900
- unknown daughter Johnston1
- unknown daughter Johnston1
- unknown daughter Johnston1
- William Johnston2 b. 16 Apr 1843, d. 26 Dec 1914
- Sir George Johnston of Caskieben, 10th Bt.2 b. 21 Apr 1849, d. 11 May 1921
