In 1863, Prince Julius was sent to Greece with his young nephew, Prince Vilhelm of Denmark, who had recently ascended to the throne of Greece as King of the Hellenes, as an advisor.
În 1863, Prințul Julius a fost trimis în Grecia cu tânărul său nepot, Prințul Vilhelm al Danemarcei, care accedase recent pe tronul Greciei ca rege al elenilor, pe post de consilier.