| Marie Antoinette Caroline Stephanie of Sayn-Wittgenstein | |
| B: | 16 February 1829 |
| Saint Petersburg, Russia | |
| D: | 21 Dec 1897 |
| Berlin, Germany | |
| Peter of Sayn-Wittgenstein (maid. name 2nd Prince of Sayn and Wittgenstein) | |
| B: | 10 May 1831 |
| Firenze, Toscana, Italy | |
| D: | 20 Aug 1887 |
| Kerleon | |
| Ludwig Adolf Friedrich of Sayn-Wittgenstein (maid. name Prince of Sayn-Wittgenstein-Sayn) | |
| B: | 17 Jun 1799 |
| Kaunas, Kauno, Lithuania | |
| D: | June 20, 1866 |
| Cannes, Languedoc-Roussillon, France | |
| Caroline Emilie Louise Valerie Stephanie Radziwill | |
| B: | 9 Dec 1809 |
| Paris, Paris, Île-de-France, France | |
| M: | June 14, 1828 |
| Saint Petersburg, Russia | |
| D: | 26 Jul 1832 |
| Bad Ems, Rhein-Lahn-Kreis, Rhineland-Palatinate, Germany | |