Question: Who is the paternal grandmother of Caterina Sforza?
Sentence (from "Caterina Sforza"): The descendant of a dynasty of noted condottieri, from an early age, Caterina distinguished herself through her bold and impetuous actions taken to safeguard her possessions from possible usurpers and to defend her dominions from attack, when they were involved in political intrigues.
Relevant evidence: No