Sir Lucius O'Brien, 3rd Baronet Irish politician (1731–1795) Parents Mary Hickman Sir Edward O'Brien, 2nd Baronet Children Donough Acheson O'Brien Katherine O'Brien Lucius O'Brien Anne Maria O'Brien Charlotte Sophia O'Brien Robert O'Brien Nicola Maria O'Brien Sir Edward O'Brien, 4th Baronet Siblings Edward O'Brien Catherine O'Brien Lucy O'Brien Anne O'Brien Donough O'Brien Partners Anne ffrench
