Celestine Norman Lamont-Campbell, 3rd of Possil1 
He was given the name of Celestine Norman Lamont at birth.3 His name was legally changed to Celestine Norman Lamont-Campbell added when he succeeded to the Possil estate.3
Reverend J. C. Russell1
Child of Reverend J. C. Russell
Margaret Huison Russell1
From 19 April 1882, her married name became Lamont.
Norman Lamont1 
He held the office of Member of Parliament (M.P.) for Wells, Somerset.1 He inherited Monydrain from his cousin Archibald.1 He held the office of Justice of the Peace (J.P.) for Argyllshire.1
Children of Norman Lamont and Hannah Porch
- John Douglas Campbell Lamont2 d. 1836
- Edward Buller Lamont+2 d. 1880
- William Porch Lamont2 d. 1887
- Norman Lamont2 b. 1825, d. c 1849
Hannah Porch1
Her married name became Lamont.
Children of Hannah Porch and Norman Lamont
- John Douglas Campbell Lamont2 d. 1836
- Edward Buller Lamont+2 d. 1880
- William Porch Lamont2 d. 1887
- Norman Lamont2 b. 1825, d. c 1849
John Douglas Campbell Lamont1 
He lived at Monydrain, Scotland.1
Edward Buller Lamont1 
He lived at Priory, Chewton Mendlip, Somerset, Australia.1 He emigrated to Australia arriving on 1854.1 He sold Monydrain in 1875.1
Children of Edward Buller Lamont and Maria Bardouleau
- Norman Lamont2 d. 1857
- Edward Louis Lamont of that Ilk2 b. 1846, d. 1935
- Coll Andrew Lamont of that Ilk+2 b. 1848, d. 1935
- Alfred William Lamont+2 b. 1851, d. 1923
- William Eugene Lamont+2 b. 24 Apr 1853, d. 3 Nov 1941
Maria Bardouleau1
Her married name became Lamont.
Children of Maria Bardouleau and Edward Buller Lamont
- Norman Lamont2 d. 1857
- Edward Louis Lamont of that Ilk2 b. 1846, d. 1935
- Coll Andrew Lamont of that Ilk+2 b. 1848, d. 1935
- Alfred William Lamont+2 b. 1851, d. 1923
- William Eugene Lamont+2 b. 24 Apr 1853, d. 3 Nov 1941
Norman Lamont1 
