1717 - 1758 (41 Jahre)
| Ernst Casimir.IV v.Ysenb.-B 1806-1861 |
| Ernst Casimir.IV v.Ysenb.-B | |
| *: | 14 Dez 1806 |
| B | |
| +: | 16 Feb 1861 |
| B | |
Thekla v.Erbach 1815-1874 |
| Thekla v.Erbach | |
| *: | 9 Mrz 1815 |
| F | |
| +: | 13 Mrz 1874 |
| Gustav v.Isenb.-B 1813-1883 |
| Gustav v.Isenb.-B | |
| *: | 17 Feb 1813 |
| B | |
| +: | 1 Jan 1883 |
| Oldenburg | |
| Bertha v.Holleben 1818-1904 |
| Bertha v.Holleben | |
| *: | 16 Nov 1818 |
| Eisleben | |
| oo: | 31 Okt 1840 |
| +: | 30 Nov 1904 |
| B | |
| Ernst Casimir.III v.Isenb.-B 1781-1852 |
| Ernst Casimir.III v.Isenb.-B | |
| *: | 20 Jan 1781 |
| B | |
| +: | 1 Dez 1852 |
| B | |
| Ferdinanda v.Erbach 1784-1848 |
| Ferdinanda v.Erbach | |
| *: | 23 Jul 1784 |
| Zwingenberg | |
| +: | 1848 |
| Ernst Casimir.II v.Isenb.-B 1757-1801 |
| Ernst Casimir.II v.Isenb.-B | |
| *: | 25 Feb 1757 |
| +: | 25 Feb 1801 |
| Eleonore v.Bentheim 1754-1827 |
| Eleonore v.Bentheim | |
| *: | 26 Apr 1754 |
| oo: | 25 Jul 1779 |
| +: | 18 Feb 1827 |
|
| Ernst Dietrich v.Ysenb.-B 1717-1758 |
| Ernst Dietrich v.Ysenb.-B | |
| *: | 30 Okt 1717 |
| +: | 26 Dez 1758 |
| Dorothea v.Isenb.-Birstein 1723-1777 |
| Dorothea v.Isenb.-Birstein | |
| *: | 23 Sep 1723 |
| oo: | 15 Aug 1752 |
| +: | 10 Feb 1777 |
