Sophie Princess of Prussia has brought a healthy boy into the world. Name not known yet.
An official confirmation of the good news on the homepage, http://www.preussen.de, is still pending. That mother and child are in good health, however, has also been announced at the castle.
The boy has three older siblings: In January 2013, the twin boys Carl Friedrich and Louis Ferdinand and in April 2015, girl Emma Marie. The family lives near Bremen.