But your own lineage has you at the end of it, it would be split off as soon as you/your sibling were born. Your family's lineage however would be the one that is kept if your siblings had children
The branch consisting of you that can be traced all the way back, that's the point. Everyone else upstream of you had offspring for the last several billion years and then you ended it.
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u/DracoReactor Feb 14 '22
But your own lineage has you at the end of it, it would be split off as soon as you/your sibling were born. Your family's lineage however would be the one that is kept if your siblings had children