Question: Who is the maternal grandfather of Herman I, Count Of Henneberg?
Sentence (from "Herman I, Count of Henneberg"): Herman I, Count of Henneberg (1224 – 18 December 1290) was the son of Count Poppo VII of Henneberg and his wife, Jutta of Thuringia (born: 1184; died: 6 August 1235 in Schleusingen), the eldest daughter of Landgrave Herman I of Thuringia.
Relevant evidence: Yes