Question: Who is the paternal grandmother of Marcus Aemilius Lepidus (Executed 39)?
Sentence (from "Marcus Aemilius Lepidus (executed 39)"): Sometime in 39, however, Caligula made public letters by his sisters Agrippina the Younger and Julia Livilla that detailed an adulterous affair with Lepidus and a plot against the emperor.
Relevant evidence: No