Question: What is the date of death of Konrad Vi The Dean's father?
Sentence (from "Konrad VI the Dean"): Konrad VI the Dean  (ca. 1391 – 3 September 1427) was a Duke of Oleśnica, Koźle, half of Bytom and half of Ścinawa since 1416 (with his brothers as co-rulers).
Relevant evidence: No