An Armstrong by any other name...

Lillian: "Mom, I learned a story in music class today. Louise Armstrong was a musician."
Me: "You mean Louis Armstrong?"
Lillian, "Oh, yeah, Louis. He used to play skat music and then he became a biker."
Me: What?! Wait, where did you learn the biker part?
Lillian: Daddy told me.
Me: Do you mean Lance Armstrong?
Lillian: Oh, yeah!! Lance. That's the one. He used to play skat music before he became a biker.
Me: I think you mean two different people. Louis Armstrong was a musician and Lance Armstrong is a famous bicycle rider.
Lillian: No, no, I remember. Dad told me. It's the same person.