Margaret Cusack Peerage person ID=38368 (b. 1564) Parents Thomas Cusack Maud Darcy Children Slany O'Brien Murrough O'Brien, 4th Baron Inchiquin Siblings Robert Cusack Alice Cusack Alison Cusack Mary Cusack Katherine Cusack Elizabeth Cusack Edward Cusack Partners Christopher Cruce Murrough O'Brien, 4th Baron Inchiquin Murrough McDermot O'Brien, 3rd Baron Inchiquin