Connor O'Brien, 2nd Viscount Clare Anglo-Irish nobleman (1605–1670) Parents Daniel O'Brien, 1st Viscount Clare Lady Catherine FitzGerald Children Ellen O'Brien Margaret O'Brien Honora O'Brien Sarah O'Brien Mary O'Brien Catherine O'Brien Daniel O'Brien, 3rd Viscount Clare Siblings Margaret O'Brien Teige O'Brien Donough O'Brien Murrough O'Brien Partners Honora O'Brien