Gerta Prinzessin zu Ysenburg und Büdingen1 
She gained the title of Prinzessin zu Ysenburg und Büdingen.1
Children of Gerta Prinzessin zu Ysenburg und Büdingen and Wilhelm Karl Bernhard Hermann Prinz von Sachsen-Weimar-Eisenach
- Hermann Karl Graf von Ostheim+2 b. 14 Feb 1886, d. 6 Jun 1964
- Albrecht Wilhelm Prinz von Sachsen-Weimar-Eisenach3 b. 23 Dec 1886, d. 9 Sep 1918
- Sophie Augustine Prinzessin von Sachsen-Weimar-Eisenach3 b. 25 Jul 1888, d. 18 Sep 1913
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 257. Hereinafter cited as The Book of Kings.
- [S12] C. Arnold McNaughton, The Book of Kings, volume 1, page 258.
- [S12] C. Arnold McNaughton, The Book of Kings, volume 1, page 259.
Bernhard Wilhelm Georg Graf von Crayenburg1 
He gained the title of Prinz von Sachsen-Weimar-Eisenach in 1856.1 He abdicated as Prince of Saxe-Weimar-Eisenach on 24 May 1901. On 24 May 1901 his name was legally changed to Bernhard Wilhelm Georg von Crayenburg. He gained the title of Graf von Crayenburg on 24 May 1901.3
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
- [S12] C. Arnold McNaughton, The Book of Kings, volume 1, page 260.
- [S12] C. Arnold McNaughton, The Book of Kings, volume 1, page 259.
Marie Luise Elisabeth Brockmüller1 
Elisabeth Gräfin von der Schulenburg-Wolfsburg1 
She gained the title of Gräfin von der Schulenburg-Wolfsburg.1
Alexander Wilhelm Bernhard Hermann Prinz von Sachsen-Weimar-Eisenach1 
He gained the title of Prinz von Sachsen-Weimar-Eisenach.1
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
Ernst Karl Wilhelm Prinz von Sachsen-Weimar-Eisenach1 
He gained the title of Prinz von Sachsen-Weimar-Eisenach.1
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
unnamed son von Sachsen-Weimar-Eisenach1 
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
Olga Marie Prinzessin von Sachsen-Weimar-Eisenach1 
She gained the title of Prinzessin von Sachsen-Weimar-Eisenach.1 She was given the name of Olga Maria Ida Sophie Pauline Augustine von Sachsen-Weimar-Eisenach at birth.
Child of Olga Marie Prinzessin von Sachsen-Weimar-Eisenach and Leopold Wolfgang Prinz zu Ysenburg und Birstein
- Wilhelm Karl Hermann Prinz zu Ysenburg und Birstein b. 16 Jan 1903, d. 23 Nov 1956
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
Leopold Wolfgang Prinz zu Ysenburg und Birstein1 
He was given the name of Leopold Wolfgang Ernst Marie Ferdinand Karl Michael Anton Viktor Ludwig Joseph Johann Baptist Franz at birth. He gained the title of Prinz zu Ysenburg und Birstein.1 He abdicated as Prince of Ysenburg and Birstein in 1898.
Child of Leopold Wolfgang Prinz zu Ysenburg und Birstein and Olga Marie Prinzessin von Sachsen-Weimar-Eisenach
- Wilhelm Karl Hermann Prinz zu Ysenburg und Birstein b. 16 Jan 1903, d. 23 Nov 1956
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.
Ferdinand Maximilian III Fürst zu Ysenburg und Büdingen1 
He gained the title of Fürst zu Ysenburg und Büdingen.
Children of Ferdinand Maximilian III Fürst zu Ysenburg und Büdingen and Auguste Marie Gertrude Prinzessin von Hanau und Horowitz
- Friedrich Prinz zu Ysenburg-Büdingen und Wachtersbach+ b. 17 Jun 1850, d. 20 Apr 1933
- Alexandra Prinzessin zu Ysenburg-Büdingen und Wachtersbach+ b. 28 Dec 1855, d. 24 Oct 1932
- Gerta Prinzessin zu Ysenburg und Büdingen+1 b. 18 Jan 1863, d. 27 Nov 1945
- [S12] C. Arnold McNaughton, The Book of Kings: A Royal Genealogy, in 3 volumes (London, U.K.: Garnstone Press, 1973), volume 1, page 258. Hereinafter cited as The Book of Kings.