Nikolaus von Altenhaus
From NSWiki
Prince Nikolaus von Altenhaus (born 1921) was the son of Prince Maximilian von Altenhaus.
In 1945 he married Countess Laurentia von Schaffenlitsch. They had five sons: Michael (born 1946), Christian (born 1947), Joachim (born 1951; unmarried), Louis (born 1953) and Felix (born 1956).