Question: Who is the paternal grandmother of Maria Komnene, Queen Of Hungary?
Sentence (from "Maria Komnene, Queen of Hungary"): Maria was the youngest child of "sebastokrator" Isaac Komnenos, son of John II Komnenos and elder brother of the Byzantine Emperor Manuel I Komnenos, and Isaacʻs first wife, Theodora, great-granddaughter of King Ladislaus I of Hungary.
Relevant evidence: Yes