Question: Who is the maternal grandfather of Herman I, Count Of Henneberg?
Sentence (from "Berthold VII, Count of Henneberg-Schleusingen"): Berthold VII, Count of Henneberg- Schleusingen( nicknamed" the Wise", born: 1272 in Schleusingen; died: 13 April 1340, Schleusingen) was Count of Henneberg- Schleusingen from 1284 to 1340.
Relevant evidence: No