He had two wives As many had in those days, though it was a transgression of the original institution of marriage. Hannah seems to have been his first wife; and as she proved barren, he was induced, it is probable, through his earnest desire of children, to take another, as Abraham had done, by Sarah's consent.
Related Commentaries of 1 Samuel 1:2
1 Samuel 1:2
2 And he had two wives; the name of the one was Hannah, and the name of the other Peninnah: and Peninnah had children, but Hannah had no children.