Graf Conrad von Hardegg 
Agnes von Habsburg 
Bolko II Herzog von Silesia-Schweidnitz 
He gained the title of Herzog von Silesia-Schweidnitz.
Bridget O’Brien1
From 5 April 1952, her married name became Chenevix-Trench.1
Children of Bridget O’Brien and Keith Everard George Chenevix-Trench
- Guy Charles Chenevix-Trench+1 b. 15 Jul 1955
- Rupert George Chenevix-Trench+1 b. 14 Sep 1957
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Lt.-Col K. R. O’Brien1
Child of Lt.-Col K. R. O’Brien
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Guy Charles Chenevix-Trench1
Children of Guy Charles Chenevix-Trench and Sarah A. Speakman
- Olivia Kate Chenevix-Trench1 b. 1985
- Poppy Chenevix-Trench1 b. 1987
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Sarah A. Speakman1
From 1982, her married name became Chenevix-Trench.1
Children of Sarah A. Speakman and Guy Charles Chenevix-Trench
- Olivia Kate Chenevix-Trench1 b. 1985
- Poppy Chenevix-Trench1 b. 1987
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
John Speakman1
Child of John Speakman
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Olivia Kate Chenevix-Trench1
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]
Poppy Chenevix-Trench1
- [S8] BP1999 volume 1, page 126. See link for full details for this source. Hereinafter cited as. [S8]