Question: Who is the maternal grandmother of Lucius Calpurnius Bibulus?
Sentence (from "Porcia (wife of Brutus)"): Porcia Catonis (c. 70 BC – June 43 BC (or October 42 BC)), (Porcia "of Cato", in full "Porcia Catonis filiaPorcia the daughter of Cato") also known simply as Porcia, occasionally spelled "Portia", especially in 18th-century English literature, was a Roman woman who lived in the 1st century BC.
Relevant evidence: No