Truth. The killing was hyperbole but I guarantee she isn't getting the inheritance if they marry. These European banking families keep it in their own circle. They are like royalty without the public baggage. They've been dominant in Europe for at least 100 years.
Americans are funny, for you guys 100 years is a lot... The Rothschilds trace their origin to the 1500s, and are rich filthy rich since the 1700s.