"...maybe."

The answer is noncommittal and tired, and it's not clear whether Barrow meant it for the first question or the second.

Scratching the stubble on his cheek, he gestures dully at the toddler.
"Got a nephew 'bout his age. Or at least. ...was his age last I heard from his mum." Which is to say, the lad's probably in his teens now.