The author appears to have been personally acquainted with them.

Shawn certainly did so, since he was personally acquainted with bigotry.

Evidently they knew that their pursuers were not personally acquainted with either of them.

The flinch of his eyes showed that he was personally acquainted with the danger.

I see you are personally acquainted with them,' said Stragos.

I was personally acquainted with at least two girls he gave the time to.

He was personally acquainted with all the famous climbers of his time.

They are personally acquainted with some of the children on the street; others they know only by reputation.

But I don't know anybody personally acquainted with a single individual who's been murdered in the last 15 years.

I had been personally acquainted with her for some time, but we had never discussed the case.