Slany O'Brien Peerage person ID=154893 (d. 1569) Parents Eleanor fitz John Murrough O'Brien, 1st Earl of Thomond Children Donogh O'Brien Margaret O'Brien Connor O'Brien Thomas FitzMaurice, 12th Baron of Kerry and Lixnaw Murtough O'Brien Penelope O'Brien Aine O'Brien Edmond FitzMaurice, 11th Baron of Kerry and Lixnaw Sawney O'Brien Sir Terlough O'Brien Siblings Ranelt O'Brien Donogh McMurrough O'Brien Aine O'Brien Dermod O'Brien, 2nd Baron Inchiquin unknown daughter O'Brien Honora O'Brien Margaret O'Brien Teige Mac Murrough O'Brien Torlogh O'Brien Partners Donnell O'Brien Patrick FitzMaurice, 10th Baron of Kerry and Lixnaw