Murrough O'Brien, 1st Earl of Thomond Irish earl (1450–1551) Parents Raghnailt Macnamara Toirdhealbhach Donn Ó Briain Children Torlogh O'Brien Dermod O'Brien, 2nd Baron Inchiquin Teige Mac Murrough O'Brien Donogh McMurrough O'Brien Slany O'Brien Margaret O'Brien Ranelt O'Brien unknown daughter O'Brien Honora O'Brien Aine O'Brien Siblings Connor O'Brien Donogh O'Brien Dermod O'Brien Ranelt O'Brien Móre O'Brien Teig O'Brien Margaret O'Brien Any O'Brien Honora O'Brien Slany O'Brien Partners Eleanor fitz John
