Question: What is the date of death of Louis Augustus Karl Frederick Emil, Duke Of Anhalt-Köthen's father?
Sentence (from "Albert VI, Prince of Anhalt-Köthen"): He was the youngest son of Albert IV, Prince of Anhalt- Köthen, but the eldest child of his second wife Elisabeth, daughter of Gebhard XI, Count of Querfurt.
Relevant evidence: No