William Smith O'Brien Irish nationalist politician (1803–1864) (1803–1864) Parents Charlotte Smith Sir Edward O'Brien, 4th Baronet Children Charles Murrough O'Brien Edward William O'Brien Lucius O'Brien Charlotte Grace O'Brien Lucy Josephine O'Brien Siblings Edward O'Brien Lucius O'Brien, 13th Baron Inchiquin Henry O'Brien Anne O'Brien Robert O'Brien Catherine Lucia O'Brien Grace O'Brien Harriet Monsell Partners Lucy Caroline Gabbett
