Question: Who is Marcus Asinius Agrippa's maternal grandmother?
Sentence (from "Marcus Asinius Agrippa"): He was the grandson of Gaius Asinius Pollio, the second son of Gaius Asinius Gallus and Vipsania Agrippina (after Gaius Asinius Pollio), and the father of Marcus Asinius Marcellus, consul in 54.
Relevant evidence: Yes