וַיִּֽוָּלְד֤וּ לְאַבְשָׁלוֹם֙ שְׁלוֹשָׁ֣ה בָנִ֔ים וּבַ֥ת אַחַ֖ת וּשְׁמָ֣הּ תָּמָ֑ר הִ֣יא הָיְתָ֔ה אִשָּׁ֖ה יְפַ֥ת מַרְאֶֽה׃ (פ)
Dem Awschalom wurden drei Söhne und eine Tochter Namens Tamar geboren; diese war ein sehr schönes Weib.
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.