Question: Who is the paternal grandmother of Prince Wilhelm-Karl Of Prussia?
Sentence (from "Prince Wilhelm of Saxe-Weimar-Eisenach"): Prince Wilhelm Karl Bernhard Hermann of Saxe- Weimar- Eisenach( 21 December 1853 – 15 December 1924) was a member of the House of Saxe- Weimar- Eisenach.
Relevant evidence: No