Question: Who is Wenceslaus Iii Of Bohemia's maternal grandmother?
Sentence (from "Wenceslaus III of Bohemia"): After Andrew III's death in early 1301, the majority of the Hungarian lords and prelates elected Wenceslaus king, although Pope Boniface VIII supported another claimant, Charles Robert, a member of the royal house of the Kingdom of Naples.
Relevant evidence: No