About Prince Alexander of Hesse and by Rhine (1933–1937)
Prince Alexander of Hesse and by Rhine (Alexander Georg Karl Heinrich Prinz und Landgraf von Hessen), (14 April 1933 – 16 November 1937), was the second son of Georg Donatus, Hereditary Grand Duke of Hesse and Princess Cecilie of Greece and Denmark, an elder sister of Prince Philip, Duke of Edinburgh.
He was killed at age four in an airplane crash in 1937.
He, his parents, older brother Ludwig, and paternal grandmother Grand Duchess Eleonore were flying to London to attend the wedding of his paternal uncle Prince Ludwig to Margaret Geddes.
The plane crashed into a factory chimney near Ostend, Belgium, killing all those on board.