וַיְבַקְשׁוּ֙ נַעֲרָ֣ה יָפָ֔ה בְּכֹ֖ל גְּב֣וּל יִשְׂרָאֵ֑ל וַֽיִּמְצְא֗וּ אֶת־אֲבִישַׁג֙ הַשּׁ֣וּנַמִּ֔ית וַיָּבִ֥אוּ אֹתָ֖הּ לַמֶּֽלֶךְ׃
So they sought for a fair damsel throughout all the borders of Israel, and found Abishag the Shunammite, and brought her to the king.
Read halakhic rulings (Jewish law) on I Kings 1:3: and classical halakhic sources.