[Harmless Teddy Bear]

So they shared a great-grandparent?

And?

People are upset over the dumbest things anymore.

[Lonesome in Massachussets]

Once removed means that one of then was the child of the other’s cousin. Genetically, they are as closely related as second cousins. My grandmother was a twin, so my second cousins by her twin are genetically as close as first cousins.