Jerome

And he took bread and a skin of water, and gave it to Hagar, putting it on her shoulder, along with the child, and sent her away. When Isaac was born, Ishmael was thirteen years old. And after he was weaned, he was expelled from the house with his mother. However, among the Hebrews, there are different opinions, with some claiming that the time for weaning is set at the fifth year, and others claiming the twelfth year. …

Hebrew Questions on Genesis ↗