וְהַֽנַּעֲרָ֖ה יָפָ֣ה עַד־מְאֹ֑ד וַתְּהִ֨י לַמֶּ֤לֶךְ סֹכֶ֙נֶת֙ וַתְּשָׁ֣רְתֵ֔הוּ וְהַמֶּ֖לֶךְ לֹ֥א יְדָעָֽהּ׃
And the damsel was very fair; and she became a companion unto the king, and ministered to him; but the king knew her not.
Read halakhic rulings (Jewish law) on I Kings 1:4: and classical halakhic sources.