שִׁשָּׁה֙ נֽוֹלַד־ל֣וֹ בְחֶבְר֔וֹן וַיִּ֨מְלָךְ־שָׁ֔ם שֶׁ֥בַע שָׁנִ֖ים וְשִׁשָּׁ֣ה חֳדָשִׁ֑ים וּשְׁלֹשִׁ֤ים וְשָׁלוֹשׁ֙ שָׁנָ֔ה מָלַ֖ךְ בִּירוּשָׁלִָֽם׃ (ס)
Six were born unto him in Hebron; and there he reigned seven years and six months; and in Jerusalem he reigned thirty and three years.
Read midrashic interpretation of I Chronicles 3:4: and classical rabbinic exegesis.