Prosper Colonna
From NSWiki
Count Prosper Colonna (1901-1984) was a Braslander landowner. He was the son of Princess Antonia of Brasland.
He inherited an estate from a distant relative, which he managed with great success.
In 1940 he married Baroness Elisabeth von Wittenberg. They had four children: Cecilia (born 1941), Leon (born 1942), Julian (born 1944) and Antonia (born 1947).
He died in 1984.