Donogh O'Brien Peerage person ID=483172 Parents Donnell O'Brien Slany O'Brien Children Siblings Móre O'Brien Sawney O'Brien Margaret O'Brien Murtough O'Brien Sir Terlough O'Brien Connor O'Brien Honora O'Brien Penelope O'Brien Teig O'Brien Aine O'Brien Thomas FitzMaurice, 12th Baron of Kerry and Lixnaw Edmond FitzMaurice, 11th Baron of Kerry and Lixnaw