So, are you asking about how to decide which of the three people to "adopt" as your ancestor or which tartan to wear? Not knowing which of three people is actually your ancestor is a pretty interesting dilemma. Having a defense for the "kilt police" isn't. Wear what you like. I don't really have an answer for you other than to say this doesn't seem to be a moral or ethical problem as much as a genealogical research puzzle. I'm really curious what our more informed academics are going to suggest.

Jamie