This article challenges the current scholarly consensus that Suetonius wrote the Divus Iulius regardless of Plutarch. Closer examination of the Caesar-biographies shows which influence Plutarch has exerted by his biographic works on Suetonius and reveals that the dominant position in the classical studies is obsolete. This paper scrutinises not only clearly defined knowledge of the Quellenforschung, but illuminates also the role model of Plutarch. Before it is possible to assess the dependence of the Divus Iulius from the Καισαρ, I will (...) reopen the case of the composition dates, examine the literary circles as a space of interaction and look on Plutarch’s reception in Rome. (shrink)