John Trevelyan Casbay Handoll1 
Helen Hanora Georgina Handoll1 
Katharine Trevelyan1
From 29 March 1932, her married name became Götsch. On 19 June 1939 her name was legally changed to Trevelyan by Deed Poll.1
Children of Katharine Trevelyan and Johann Gottfried Georg Götsch
- Erika Karla Trevelyan Götsch+2 b. 17 Feb 1933
- Elisabeth Trevelyan Götsch2 b. 10 Nov 1935
- Katharine Mary Trevelyan Götsch+2 b. 22 Jun 1940
Georg Götsch1
Child of Georg Götsch
- Johann Gottfried Georg Götsch+2 d. 1956
Johann Gottfried Georg Götsch1 
Children of Johann Gottfried Georg Götsch and Katharine Trevelyan
- Erika Karla Trevelyan Götsch+2 b. 17 Feb 1933
- Elisabeth Trevelyan Götsch2 b. 10 Nov 1935
- Katharine Mary Trevelyan Götsch+2 b. 22 Jun 1940
Erika Karla Trevelyan Götsch1
From 29 June 1957, her married name became Lees. She lived in 2003 at The Old Post Cottage, Motcombe, Shaftesbury, Dorset, England.1
Children of Erika Karla Trevelyan Götsch and Robin Murray Lees
- Nicholas Martin Lees2 b. 14 May 1960
- Henrietta Frances Lees2 b. 30 Apr 1963
- Dominic Charles Jacob Lees2 b. 24 Aug 1964
Dr. G. M. Lees1
Child of Dr. G. M. Lees
Robin Murray Lees1
Children of Robin Murray Lees and Erika Karla Trevelyan Götsch
- Nicholas Martin Lees2 b. 14 May 1960
- Henrietta Frances Lees2 b. 30 Apr 1963
- Dominic Charles Jacob Lees2 b. 24 Aug 1964
Nicholas Martin Lees1
Dominic Charles Jacob Lees1
