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Instead of clumsily talking about one's 'ancestry' and again about one's 'family tree,' we can instead speak with more precision about one's ancestree.
That blue blood family was a little too 'close' (ahem) with sometimes not enough branching out in their ancestree, if you know what I mean.

Everyone wants to find someone famous in their ancestree.
by Neologian-PJG March 31, 2013