Murrough McDermot O'Brien, 3rd Baron Inchiquin Irish Baron (1550–1573) Parents Dermod O'Brien, 2nd Baron Inchiquin Lady Margaret O'Brien Children Murrough O'Brien, 4th Baron Inchiquin Slany O'Brien Siblings John na Seamar Burke, 1st Baron Leitrim unknown daughter Bourke unknown son Bourke unknown son Bourke Partners Mabel Nugent Margaret Cusack