AdvertisementMother To Daughter: 'That's When I Knew I Was Adopted'02:53Download AudioResumeJanuary 11, 2013NPR StafffacebookEmailDiane Tells His Name, 61, grew up unaware of her Native American identity. When she discovered the truth in her late 30s, she adopted a child from her Lakota tribe, Bonnie Buchanan. (StoryCorps)