וַיִּשְׁלַ֥ח דָּוִ֛ד אֶל־תָּמָ֖ר הַבַּ֣יְתָה לֵאמֹ֑ר לְכִ֣י נָ֗א בֵּ֚ית אַמְנ֣וֹן אָחִ֔יךְ וַעֲשִׂי־ל֖וֹ הַבִּרְיָֽה׃
Then David sent home to Tamar, saying: ‘Go now to thy brother Amnon’s house, and dress him food.’
Read halakhic rulings (Jewish law) on II Samuel 13:7: and classical halakhic sources.