

| Marie Louise de Pfeffel | |
| F: | 15 Aug 1882 |
| Paris, France | |
| D: | 29 Nov 1944 |
| Carbis Bay, Cornwall, England | |
| Stanley Fred Williams | |
| F: | 1880 |
| Croydon, London, England | |
| G: | 1905 |
| Paris, France | |
| D: | 1955 |
| Freiherr Christian Hubert Theodor Marie Karl von Pfeffel | |
| F: | 8 Des 1843 |
| Munich, Bavaria, Germany | |
| D: | 1922 |
| Paris, France | |
| Hélène Arnous-Rivière | |
| F: | 14 Jan 1862 |
| Paris, France | |
| G: | 22 Okt 1881 |
| Paris, France | |
| D: | 1951 |
| Paris, France | |
| Adelheid Pauline Karoline von Rottenburg | |
| F: | 28 Nov 1805 |
| Frankfurt am Main, Hesse, Germany | |
| D: | 13 Feb 1872 |
| Frankfurt am Main, Hesse, Germany | |
| Freiherr Karl Maximilian Friedrich Hubert von Pfeffel | |
| F: | 22 Nov 1811 |
| Dresden, Saxony, Germany | |
| G: | 16 Feb 1836 |
| Augsburg, Swabia, Bavaria, Germany | |
| D: | 25 Jan 1890 |
| Munich, Bavaria, Germany | |
| Friederike Margrethe Porth | |
| F: | 22 Aug 1776 |
| Halberstadt, Saxony-Anhalt, Germany | |
| D: | 9 Jun 1960 |
| Frankfurt am Main, Hesse, Germany | |
| Prince Paul Henrik Carl Frederick August of Württemberg | |
| F: | 19 Jan 1785 |
| Saint Petersburg, Russia | |
| D: | 16 Apr 1852 |
| Paris, France | |