The serf who reported the fact has known him since childhood.

In private conversation, they were two men who had known each other since childhood.

We've known each other since childhood, after all, so it would be convenient, and make good sense.

But even more attractive, they say, is a sense of living in a community that many have known since childhood.

Hurst was a year older than he; they'd known each other since childhood.

They'd known each other since childhood, and Amalie couldn't bring herself to break off the relationship.

She had known the facts of human reproduction since childhood.

Most of them have known one another since childhood.

She was only sixteen, after all, and he had known her since childhood.

These five were his oldest, closest friends; he had known them since childhood.