וַיִּֽוָּלְד֤וּ לְאַבְשָׁלוֹם֙ שְׁלוֹשָׁ֣ה בָנִ֔ים וּבַ֥ת אַחַ֖ת וּשְׁמָ֣הּ תָּמָ֑ר הִ֣יא הָיְתָ֔ה אִשָּׁ֖ה יְפַ֥ת מַרְאֶֽה׃ (פ)
押沙龍生了三個兒子、一個女兒;女兒名叫他瑪,是個容貌美麗的女子。
Rashi
Because he said, "I have no son." That can replace me and be as important as me.4He did have children as related earlier (14:27) but did not consider them on a par with his stature. See Sotah 11a.