**To list the parent OUs or roots for an account or child OU** The following example you how to list the root or parent OU that contains that account 444444444444: :: aws organizations list-parents --child-id 444444444444 The output shows that the specified account is in the OU with specified ID: :: { "Parents": [ { "Id": "ou-examplerootid111-exampleouid111", "Type": "ORGANIZATIONAL_UNIT" } ] }