Question: Who is Prince Heinrich Xxxiii Reuss Of Köstritz's maternal grandfather?
Sentence (from "Prince Heinrich XXXIII Reuss of Köstritz"): Prince Heinrich XXXIII Reuss of Köstritz (26 July 1879 – 15 November 1942) was the son of Prince Heinrich VII Reuss of Köstritz and his wife Princess Marie Alexandrine of Saxe-Weimar-Eisenach.
Relevant evidence: Yes