Question: What is the date of death of Charles (Archbishop Of Mainz)'s father?
Sentence (from "Pepin I of Aquitaine"): In 822, Pepin had married Ingeltrude, daughter of Theodobert, count of Madrie, with whom he had two sons: Pepin (823-after 864), and Charles (825-830 - 4 June 863), who became Archbishop of Mainz.
Relevant evidence: No