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::Also, the very phrase "brother's ancestor" is illogical because brothers always have common ancestors, since they're descended from the same parents (unless we're talking about half-brothers or step-brothers, but in this case it'd be an over-interpretation). --[[User:Maxim|Maxim]] ([[User talk:Maxim|talk]]) 20:28, 20 February 2018 (UTC)
:::RandomRowlet, I suspect you may be mixing up the meanings of ancestor and descendant. "Descendant" and "descendant's brother" are the same thing, but "ancestor" and "ancestor's brother" are different. I think you are mistaking the latter pair for the former. [[User:Pumpkinking0192|Pumpkinking0192]] ([[User talk:Pumpkinking0192|talk]]) 03:11, 21 February 2018 (UTC)