וְלוֹ֙ שְׁתֵּ֣י נָשִׁ֔ים שֵׁ֤ם אַחַת֙ חַנָּ֔ה וְשֵׁ֥ם הַשֵּׁנִ֖ית פְּנִנָּ֑ה וַיְהִ֤י לִפְנִנָּה֙ יְלָדִ֔ים וּלְחַנָּ֖ה אֵ֥ין יְלָדִֽים׃
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.
Ralbag on I Samuel
And it further narrates that Elkanah had two wives. One was named Channah, and the second was named Peninah. And Channah did not merit having children.