Pauline Gräfin von Beaufort-Spontin 
Her married name became von Isenburg.
Children of Pauline Gräfin von Beaufort-Spontin and Alfons Prinz von Isenburg
- Margarete Marie Alfonsa Luise Melanie Antoinette Paula Frederike Prinzessin von Isenburg b. 16 Oct 1901
- Marie Imagina Aloyusia Friederike Thusnelda Wunibalde Lucia Bertha Prinzessin von Isenburg b. 13 Dec 1902, d. 6 Feb 1997
- Elisabeth Franziska Marie Melanie Norberta Prinzessin von Isenburg+ b. 6 Jun 1904, d. 31 Jan 1982
- Maria Ernst Hubertus Alfons Karl Friedrich Stephan Thomas Prinz von Isenburg+ b. 26 Dec 1906, d. 17 Dec 1991
- Maria Heinrich Leon Alfons Friedrich Karl Maximilian Prinz von Isenburg b. 16 Sep 1913, d. c 12 Jan 1946
Margarete Marie Alfonsa Luise Melanie Antoinette Paula Frederike Prinzessin von Isenburg
Marie Imagina Aloyusia Friederike Thusnelda Wunibalde Lucia Bertha Prinzessin von Isenburg 
Elisabeth Franziska Marie Melanie Norberta Prinzessin von Isenburg 
Her married name became Eggen van Terian.
Children of Elisabeth Franziska Marie Melanie Norberta Prinzessin von Isenburg and Johannes Eggen van Terian
- Maria Alonsa Elisabeth Pauline Hortense Benoite Eggen van Terian b. 17 Jun 1935, d. 6 Aug 1938
- Charles Paul Jean Lamoral Baudoin Marie Eggen van Terian b. 18 Jul 1937
- Helene Alphonsa Pauline Hortense Elisabeth Marie Felicie Eggen van Terian b. 27 May 1942
Johannes Eggen van Terian 
Children of Johannes Eggen van Terian and Elisabeth Franziska Marie Melanie Norberta Prinzessin von Isenburg
- Maria Alonsa Elisabeth Pauline Hortense Benoite Eggen van Terian b. 17 Jun 1935, d. 6 Aug 1938
- Charles Paul Jean Lamoral Baudoin Marie Eggen van Terian b. 18 Jul 1937
- Helene Alphonsa Pauline Hortense Elisabeth Marie Felicie Eggen van Terian b. 27 May 1942
Maria Ernst Hubertus Alfons Karl Friedrich Stephan Thomas Prinz von Isenburg 
Maria Ernst Hubertus Alfons Karl Friedrich Stephan Thomas Prinz von Isenburg usually went by his middle name of Ernst.
Children of Maria Ernst Hubertus Alfons Karl Friedrich Stephan Thomas Prinz von Isenburg and Fiona Davidson
- Pauline Prinzessin von Isenburg b. 23 Nov 1937
- Carl Prinz von Isenburg+ b. 6 Dec 1939
- Franz Wilhelm Prinz von Isenburg+ b. 4 Jun 1941
- Victor Alexander John Prinz von Isenburg+ b. 2 Jun 1944
- Richard Prinz von Isenburg+ b. 3 Feb 1946
Fiona Davidson
Her married name became von Isenburg.
Children of Fiona Davidson and Maria Ernst Hubertus Alfons Karl Friedrich Stephan Thomas Prinz von Isenburg
- Pauline Prinzessin von Isenburg b. 23 Nov 1937
- Carl Prinz von Isenburg+ b. 6 Dec 1939
- Franz Wilhelm Prinz von Isenburg+ b. 4 Jun 1941
- Victor Alexander John Prinz von Isenburg+ b. 2 Jun 1944
- Richard Prinz von Isenburg+ b. 3 Feb 1946
William Davidson
Child of William Davidson and Elizabeth Agnes McIntyre
- Fiona Davidson+ b. 17 Feb 1917
Elizabeth Agnes McIntyre
Child of Elizabeth Agnes McIntyre and William Davidson
- Fiona Davidson+ b. 17 Feb 1917
Pauline Prinzessin von Isenburg
She was given the name of Marie Pauline Elisabeth Margarethe Stephanie Fiona Antoinette at birth. Her married name became Cain.