Question: Who is the father-in-law of Aelia Eudocia?
Sentence (from "Aelia Eudocia"): Aelia Eudocia Augusta (Late Greek: Αἰλία Εὐδοκία Αὐγούστα; 401460 AD), also called Saint Eudocia, was a Greek Eastern Roman Empress by marriage to Byzantine emperor Theodosius II (r. 408–450), and a prominent historical figure in understanding the rise of Christianity.
Relevant evidence: Yes