Prince Heinrich of Hesse and by Rhine

• Name — Prince Heinrich • Full Name — Henry William Constantine Victor Francis • Born — 30 October 1927 • Birthplace — Rome, Kingdom of Italy • Died — 18 November 1999 • Place of death — Frankfurt, Germany • House — Hesse-Kassel • Father — Prince Philipp of Hesse • Mother — Princess Mafalda of Savoy

Prince Heinrich was born in Rome, Italy, as the second son of Prince Philipp of Hesse and Princess Mafalda of Savoy, daughter of King Victor Emmanuel III of Italy. During the Second World War, Heinrich's father, an important former aristocratic Nazi party member, was arrested by the Gestapo. His mother was detained and imprisoned in Buchenwald concentration camp, where she was killed by Allies' bombardments in 1944. Heinrich and his siblings (Moritz, Otto and Elisabeth) were given sanctuary in the Vatican under the care of their aunt and uncle, Margaret Campbell Geddes and Louis, Prince of Hesse and by Rhine, who adopted them. After the war, they were reunited with their father in Germany. Heinrich was an artist and set designer, active mainly in Italy under the name Enrico d'Assia. He published a volume of memoirs, notably Der Kristallene Lüster (1994). He died in Frankfurt, unmarried.

The authorities additionally record the headings Heinrich Wilhelm Konstantin Viktor Franz Prinz von Hessen-Kassel, Enrico d'Assia and Prince Heinrich Wilhelm Konstantin Viktor Franz of Hesse-Kassel. His recorded language was Italian. He was the child of Prince Philipp, Landgrave of Hesse and Princess Mafalda of Savoy.