כָּ֨ל־הַנְּתִינִ֔ים וּבְנֵ֖י עַבְדֵ֣י שְׁלֹמֹ֑ה שְׁלֹ֥שׁ מֵא֖וֹת תִּשְׁעִ֥ים וּשְׁנָֽיִם׃ (ס)
Alle Tempeldiener und die Abkömmlinge der Sklaven Salomos: dreihundertzweiundneunzig. —
Rashi on Ezra
and the children of Solomon’s slaves King Solomon had slaves, and these children were of their descendants.