Henry the Younger of Hesse Landgrave of Hesse (1264–1298) Parents Adelaide of Brunswick-Lüneburg Henry I, Landgrave of Hesse Children Agnes of Hesse Siblings Otto I, Landgrave of Hesse Adelheid Louis of Hesse Mechthild von Hessen John, Landgrave of Lower Hesse Elisabeth von Hessen Sofie von Hessen Katharina von Hessen Elisabeth von Hessen Jutta von Hessen Agnes von Hessen Elisabeth von Hessen Partners Agnes of Bavaria, Margravine of Brandenburg-Stendal