vor 1597 - 
1906-
| Lucia Marconi | |
| *: | 1906 |
1882-1976
| Beatrix O'Brien | |
| *: | 26 Dez 1882 |
| +: | 1976 |
| Rom, I | |
1874-1937
| Guglielmo Marconi | |
| *: | 25 Apr 1874 |
| Bologna, I | |
| oo: | 16 Mrz 1905 |
| London | |
| +: | 20 Jul 1937 |
| Rom, I | |
1839-
| Edward O'Brien | |
| *: | 14 Mai 1839 |
| Dublin | |
1854-
| Ellen Harriet White | |
| *: | 11 Sep 1854 |
1801-
| Lucius.III O'Brien | |
| *: | 1801 |
-1852
| Mary FitzGerald | |
| oo: | 21 Feb 1837 |
| +: | 26 Mai 1852 |
1773-
| Edward O'Brien | |
| *: | 1773 |
1732-1795
| Lucius.II O'Brien | |
| *: | 1732 |
| +: | 1795 |
1705-
| Edward O'Brien | |
| *: | 7 Apr 1705 |
nach 1638-
| Donough O'Brien | |
| *: | NACH 1638 |
1617-
| Connor O'Brien | |
| *: | 1617 |
|
vor 1597-
| Honora Wingfield | |
| *: | VOR 1597 |
1595-
| Donough O'Brien | |
| *: | 1595 |
