וַיְהִ֣י אַֽחֲרֵי־כֵ֗ן וּלְאַבְשָׁל֧וֹם בֶּן־דָּוִ֛ד אָח֥וֹת יָפָ֖ה וּשְׁמָ֣הּ תָּמָ֑ר וַיֶּאֱהָבֶ֖הָ אַמְנ֥וֹן בֶּן־דָּוִֽד׃
Pagkatapos nito, si Absalom na anak ni David ay may isang magandang kapatid na babae na ang pangalan ay Tamar; at umibig sa kanya si Amnon na anak ni David.
Rashi
Avsholom had a pretty sister. That was the daughter of his mother.