Question: Who is the paternal grandfather of Irene Palaiologina Of Trebizond?
Sentence (from "Irene Palaiologina of Trebizond"): Ειρήνη Παλαιολογίνα, "Eirēnē Palaiologina"), (c. 1315 – after 1341) was Empress of Trebizond from April 6, 1340 to July 17, 1341.
Relevant evidence: No