"Landgrave (German: Landgraf, Dutch: landgraaf, Swedish: lantgreve, French: landgrave; Latin: comes magnus, comes patriae, comes provinciae, comes terrae, comes principalis, lantgravius) was a noble title used ...
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in the Holy Roman Empire, and later on in its former territories. The German titles of Landgraf, Markgraf ("margrave"), and Pfalzgraf ("count palatine") are in the same class of ranks as Herzog ("duke") and above the rank of a Graf ("count")." - (en.wikipedia.org 28.10.2019)
