וְצָד֧וֹק בֶּן־אֲחִיט֛וּב וַאֲבִימֶ֥לֶךְ בֶּן־אֶבְיָתָ֖ר כֹּהֲנִ֑ים וְשַׁוְשָׁ֖א סוֹפֵֽר׃
Und Zadok, der Sohn Ahitubs, und Abimelech, der Sohn Abjathars, waren Priester; und Shavsha war Schreiber;
Rashi
and Shavsha was scribe Ahilud was the recorder, and Shavsha would write alongside him.