Kirsty Mackay
Her married name became von Altenburg.
Children of Kirsty Mackay and Christoph Theodor Prinz von Altenburg
- Sebastian Christoph Prinz von Altenburg+ b. 9 Jul 1971
- Matilda Elisabeth Prinzessin von Altenburg b. 12 Nov 1975
- Francesca Kirsty Prinzessin von Altenburg b. 4 Apr 1979
Sebastian Christoph Prinz von Altenburg1
He gained the title of Prinz von Altenburg.
Children of Sebastian Christoph Prinz von Altenburg and Megan Rees
- Henry Prinz von Altenburg1 b. 5 Jun 2000
- Anna Prinzessin von Altenburg1 b. 9 Jan 2002
- Campel Prinz von Altenburg1 b. 28 Oct 2004
Matilda Elisabeth Prinzessin von Altenburg
She gained the title of Prinzessin von Altenburg.
Francesca Kirsty Prinzessin von Altenburg
She gained the title of Prinzessin von Altenburg.
Alan Egginton1
Children of Alan Egginton and Jill Rosemary Foreman
- Robert John Egginton1 b. 1975
- David Paul Egginton1 b. 1979
- [S8] BP1999 volume 1, page 128. See link for full details for this source. Hereinafter cited as. [S8]
Christa Baronin von Haerdtl
Her married name became von Altenburg.
Children of Christa Baronin von Haerdtl and Franz Josef Prinz von Altenburg
- Maria Cecilie Elisabeth Theresa Margarete Prinzessin von Altenburg b. 2 Apr 1970
- Augustin Franz Prinz von Altenburg b. 27 Oct 1971, d. 22 Jul 2006
- Amalia Maria Elisabeth Prinzessin von Altenburg b. 13 Jan 1979
- Elisabeth Maria Cecilia Amalia Katharina Prinzessin von Altenburg b. 9 Jun 1983
Augustin Franz Prinz von Altenburg 
He gained the title of Prinz von Altenburg. He was given the name of Augustin Franz Josef Maria Clemens Georg Salvator at birth.
Maria Cecilie Elisabeth Theresa Margarete Prinzessin von Altenburg
She gained the title of Prinzessin von Altenburg.
Amalia Maria Elisabeth Prinzessin von Altenburg
She gained the title of Prinzessin von Altenburg. From 16 August 2003, her married name became Zial.1
Elisabeth Maria Cecilia Amalia Katharina Prinzessin von Altenburg
She gained the title of Prinzessin von Altenburg.