John Courtnay Channon1
Jessica Rose Milln1
From 6 May 1995, her married name became Fisher.
Child of Jessica Rose Milln and Mark Thomas Fisher
- Mungo James Fisher2 b. 19 Sep 1996
Mark Thomas Fisher1
Child of Mark Thomas Fisher and Jessica Rose Milln
- Mungo James Fisher2 b. 19 Sep 1996
Mungo James Fisher1
Hon. Helen Jennifer Frances Annesley1 
From 19 January 1957, her married name became Casswell. She lived in 2003 at The Limes Barn Farm, Smarden, Kent, England.1
Children of Hon. Helen Jennifer Frances Annesley and Simon FitzRoy Casswell
- Hugh FitzRoy Casswell2 b. 18 Apr 1958, d. 1976
- Edward FitzRoy Casswell+2 b. 18 Apr 1958
- Jane Elizabeth Casswell2 b. 12 Jun 1962
- Karen Mary Casswell2 b. 15 Jan 1969
Hon. Joshua David Casswell1
He lived at Wimbledon, London, England.1 He was appointed Queen’s Counsel (Q.C.)1
Child of Hon. Joshua David Casswell and Irene Fitzroy Hutton
- Simon FitzRoy Casswell+3 b. 1931, d. 8 Aug 2012
Simon FitzRoy Casswell1 
Children of Simon FitzRoy Casswell and Hon. Helen Jennifer Frances Annesley
- Hugh FitzRoy Casswell3 b. 18 Apr 1958, d. 1976
- Edward FitzRoy Casswell+3 b. 18 Apr 1958
- Jane Elizabeth Casswell3 b. 12 Jun 1962
- Karen Mary Casswell3 b. 15 Jan 1969
Hugh FitzRoy Casswell1

Edward FitzRoy Casswell1 
Children of Edward FitzRoy Casswell and Rosemary Tassel
- James FitzRoy Casswell2 b. 1987
- Mark Casswell2 b. 1989
Rosemary Tassel1
Her married name became Casswell.
Children of Rosemary Tassel and Edward FitzRoy Casswell
- James FitzRoy Casswell2 b. 1987
- Mark Casswell2 b. 1989