His Royal Highness The Prince sent a birthday message to His Highness Sultan of Yogyakarta who celebrates his 75th Birthday on 2 April.
The message can be found reproduced below:
Sire,
I have the extreme honour and pleasure of wishing Your Highness a very happy birthday. Your Highness’s health, happiness, and prosperity remain in my thoughts and prayers.
Please accept, Your Royal Highness, the assurances of my respect and highest consideration.
Maximilian P.
Detroit, 19 March 2021