
The only child and heir of John Denis, 1st Marquess of Sligo, Westport House estate, Co Mayo and his wife Louisa, daughter and co-heiress of Admiral Richard Howe, British naval hero…
Source: origins
The only child and heir of John Denis, 1st Marquess of Sligo, Westport House estate, Co Mayo and his wife Louisa, daughter and co-heiress of Admiral Richard Howe, British naval hero…
Source: origins