Louis VI of Hesse-Darmstadt was Landgrave of Hesse-Darmstadt from 1661 to 1678.
He was the eldest of three sons of the Landgrave George II of Hesse-Darmstadt and Sophia Eleonore of Saxony. Wikipedia
Born: January 25, 1630, Darmstadt, Germany
Died: April 24, 1678 (age 48 years), Darmstadt, Germany
Great-grandparents: George I, Landgrave of Hesse-Darmstadt, Magdalena of Lippe, John George, Elector of Brandenburg, and more
Grandparents: Louis V, Landgrave of Hesse-Darmstadt, Magdalene Sibylle of Prussia, Magdalene of Brandenburg, and more