Question: Who is the maternal grandfather of Constantine Palaiologos (Son Of Andronikos Ii)?
Sentence (from "Constantine Palaiologos (son of Andronikos II)"): Constantine Doukas Komnenos Palaiologos (1278/81–1334/35) was a Byzantine prince of the Palaiologos dynasty, who received the supreme title of Despot and served as provincial governor.
Relevant evidence: No