Louis IX, Landgrave of Hesse Darmstadt

Louis IX of HesseDarmstadt was the Landgrave of HesseDarmstadt from 1768 1790. He was a son of Louis VIII, Landgrave of HesseDarmstadt, and Charlotte of HanauLichtenberg and Mntzenberg.

He was born in Darmstadt onDecember 1719. OnAugust 1741, Louis married Caroline of Zweibrcken, daughter of Christian III, Duke of Zweibrcken. They had three sons and five daughters, including

Source: Wikipedia