Jeremiah
2 Kings 4:18ESV·traditional attribution

When the child had grown, he went out one day to his father among the reapers.

Matthew Henry Presbyterian @wholebiblehenry

We may well suppose that, after the birth of this son, the prophet was doubly welcome to the good Shunammite. He had thought himself indebted to her, but henceforth, as long as she lives, she will think herself in his debt, and that she can never do too much for him.

Commenting on 2 Kings 4:18-37

John Gill Reformed Baptist @doctorgill

And when the child was grown,.... Perhaps was six or seven years of age, or more: it fell on a day that he went out to his father to the reapers; it was harvest time, and the men were reaping the corn in the fields; and his father, though a wealthy man, was with them to direct them, and see they did their business well...

Adam Clarke Methodist @methodicalclarke

When the child was grown - We know not of what age he was, very likely four or six, if not more years; for he could go out to the reapers in the harvest field, converse, etc.