Friedrich von Altenhaus
From NSWiki
Friedrich, Prince von Altenhaus (1901-1970) was a Braslander landowner. He was the son of Prince Engelbert IV von Altenhaus and Princess Gabriella of Brasland.
In 1935 he married Countess Friederike von Meissenfeld. They had two children: Antonius von Altenhaus (born 1937) and Barbara (born 1940).
He died in 1970.