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