1 Kings 15:10

And forty and one years reigned he in Jerusalem. And his mother's name {was} Maachah, the daughter of Abishalom. {mother's: that is, grandmother's}

He reigned forty-one years in Jerusalem. His mother’s name was Maacah the daughter of Abishalom.

וְאַרְבָּעִ֤ים וְאַחַת֙ שָׁנָ֔ה מָלַ֖ךְ בִּירוּשָׁלָ֑͏ִם וְשֵׁ֣ם אִמּ֔וֹ מַעֲכָ֖ה בַּת־אֲבִישָׁלֽוֹם׃

vʾarbaʿiym vʾaḥat shanah malak biyrvshala͏im vshem ʾimvo maʿakah bat-ʾabiyshalvom