וַיֹּ֣אמֶר דָּוִ֗ד אֶל־הַנַּ֙עַר֙ הַמַּגִּ֣יד ל֔וֹ אֵ֥י מִזֶּ֖ה אָ֑תָּה וַיֹּ֕אמֶר בֶּן־אִ֛ישׁ גֵּ֥ר עֲמָלֵקִ֖י אָנֹֽכִי׃
And David said unto the young man that told him: ‘Whence art thou?’ And he answered: ‘I am the son of an Amalekite stranger.’
Read halakhic rulings (Jewish law) on II Samuel 1:13: and classical halakhic sources.