- Master Xavier Albert Alphons Brenninkmeijer (2015)
- Princess Margarita of Bourbon-Parma (maternal aunt)
- Prince Constantijn of the Netherlands (maternal 1st cousin 1x removed)
- Philippe Brenninkmeijer
- Silvia Brenninkmeijer-Arboli
Heinrich Albert Johann Georg, Prince of Prussia was born 17 November 2016 as the third son and fourth child of Prince Georg Friedrich of Pr...