Donatus, Prince and Landgrave of Hesse (Heinrich Donatus Philipp Umberto; born 17 October 1966) is the head of the House of Brabant and the German House of Hesse. He is the eldest son and successor of German aristocrat Moritz, Landgrave of Hesse , and his former wife, Princess Tatiana of Sayn-Wittgenstein-Berleburg. 
Frederick II, Landgrave of Hesse-Kassel (father of 74 & 76), same person as 92 149. Princess Mary of Great Britain (mother of 74 & 76), same person as 93 150. Frederick V of Denmark (father of 75 & 78) 151. Princess Louise of Great Britain (mother of 75) 152. (father of 76) same person as 148 153. (mother of 76) same person as 149 154.