Leaning toward the sensational, Plutarch nevertheless relied on available sources for every thing he wrote. He made nothing up himself and can be considered as reliable as his source material.
Is Plutarch a good source?
Plutarch's biographies establish him as one of the great writers of antiquity & a vital source on some of the most significant figures in history. Included in the surviving manuscripts are 50 Lives.
Is Plutarch true?
Life. Plutarch was the son of Aristobulus, himself a biographer and philosopher. ... Although that may be true, a report of a 4th-century church historian, Eusebius, that Hadrian made Plutarch governor of Greece is probably apocryphal.