Sir Terlough O'Brien (died 1623) (1546–1623) Parents Slany O'Brien Donnell O'Brien Children Móre O'Brien Slany O'Brien Donogh O'Brien Mary O'Brien Teig O'Brien Donal O'Brien Siblings Donogh O'Brien Connor O'Brien Thomas FitzMaurice, 12th Baron of Kerry and Lixnaw Penelope O'Brien Edmond FitzMaurice, 11th Baron of Kerry and Lixnaw Aine O'Brien Murtough O'Brien Margaret O'Brien Sawney O'Brien Móre O'Brien Honora O'Brien Teig O'Brien Partners Anabel Lynch Joan Bourke Slany O'Brien