Question: Who is Louis Of Anhalt-Köthen (The Younger)'s paternal grandfather?
Sentence (from "Louis of Anhalt-Köthen (the Younger)"): He was the only son of Louis I, Prince of Anhalt-Köthen, by his first wife Amöena Amalie, daughter of Arnold III, Count of Bentheim-Steinfurt-Tecklenburg-Limburg.
Relevant evidence: Yes