וַתַּ֣הַר ע֔וֹד וַתֵּ֕לֶד בִּלְהָ֖ה שִׁפְחַ֣ת רָחֵ֑ל בֵּ֥ן שֵׁנִ֖י לְיַעֲקֹֽב׃
И Валла Рахиль'служанка снова зачала и родила Иакову второго сына.
Haamek Davar on Genesis
Rochel’s handmaid. This is reiterated here to indicate that unlike Hagar, she continued to treat her mistress with respect even after she conceived.