- 1852
| Lucia Marconi 1906- |
| Lucia Marconi | |
| *: | 1906 |
| Beatrix O'Brien 1882-1976 |
| Beatrix O'Brien | |
| *: | 26 Dez 1882 |
| +: | 1976 |
| Rom, I | |
Guglielmo Marconi 1874-1937 |
| Guglielmo Marconi | |
| *: | 25 Apr 1874 |
| Bologna, I | |
| oo: | 16 Mrz 1905 |
| London | |
| +: | 20 Jul 1937 |
| Rom, I | |
| Edward O'Brien 1839- |
| Edward O'Brien | |
| *: | 14 Mai 1839 |
| Dublin | |
| Ellen Harriet White 1854- |
| Ellen Harriet White | |
| *: | 11 Sep 1854 |
| Mary FitzGerald -1852 |
| Mary FitzGerald | |
| +: | 26 Mai 1852 |
| Lucius.III O'Brien 1801- |
| Lucius.III O'Brien | |
| *: | 1801 |
| oo: | 21 Feb 1837 |
