Louis I, Landgrave of Hesse

Louis I of Hesse () (6 February 1402 - 17 January 1458), called "the Peaceful", was Landgrave of Lower Hesse (Hesse) from 1413-1458.
He was born at Spangenberg, the son of Hermann II, Landgrave of Hesse and Margaret, the daughter of Frederick V of Nuremberg. He married Anna (5 June 1420 - 17 September 1462) daughter of Frederick I, Elector of Saxony on 13 September 1436. Their children were:
After 1425 a conflict with the Electorate of Mainz over claims to power in Hesse broke out into open conflict and Archbishop Conrad III of Mainz suffered a decisive defeat at Fulda in 1427.