I Samuel 25:43 Halakhah

וְאֶת־אֲחִינֹ֛עַם לָקַ֥ח דָּוִ֖ד מִֽיִּזְרְעֶ֑אל וַתִּהְיֶ֛יןָ גַּֽם־שְׁתֵּיהֶ֥ן ל֖וֹ לְנָשִֽׁים׃ (ס)

David also took Ahinoam of Jezreel; and they became both of them his wives.

Read halakhic rulings (Jewish law) on I Samuel 25:43: and classical halakhic sources.