Ethel Kathleen Moore1 
From 28 June 1890, her married name became French.1
- [S47] BIFR1976 page 449. See link for full details for this source. Hereinafter cited as. [S47]
Elizabeth Wood1
Her married name became Senhouse.1
Major John Dennistoun1
Child of Major John Dennistoun
Victoria Mary Dennistoun1
From 21 May 1959, her married name became Lawrence.1
Children of Victoria Mary Dennistoun and John Geoffrey Tristram Lawrence, 4th Baron Trevethin
- Patrick John Tristram Lawrence, 5th Baron Trevethin+2 b. 29 Jun 1960
- Hon. Sara Victoria Lawrence+2 b. 26 Jul 1961
Patrick John Tristram Lawrence, 5th Baron Trevethin1
He succeeded as the 5th Baron Trevethin, of Blaengawney, co. Monmouth [U.K., 1921] on 5 September 2012. He succeeded as the 3rd Baron Oaksey, of Oaksey, co. Wilts. [U.K., 1947] on 5 September 2012.
Children of Patrick John Tristram Lawrence, 5th Baron Trevethin and Lucinda H. Marchessini
- Hon. Calypso Helen Lawrence2 b. 1987
- Hon. Oliver John Tristram Lawrence2 b. 17 May 1990
- Hon. Cleopatra Rose Eugenia Lawrence2 b. 1995
Demetri Marchessini1
Child of Demetri Marchessini
Lucinda H. Marchessini1
From 1987, her married name became Lawrence.1 After her marriage, Lucinda H. Marchessini was styled as Baroness Trevethin on 5 September 2012.
Children of Lucinda H. Marchessini and Patrick John Tristram Lawrence, 5th Baron Trevethin
- Hon. Calypso Helen Lawrence2 b. 1987
- Hon. Oliver John Tristram Lawrence2 b. 17 May 1990
- Hon. Cleopatra Rose Eugenia Lawrence2 b. 1995
Hon. Oliver John Tristram Lawrence1
Hon. Calypso Helen Lawrence1
Hon. Cleopatra Rose Eugenia Lawrence1
