[Talking about international bankers] looking backward toward the period of dynastic monarchy in which they had their own roots, aspired to establish dynasties of international bankers and were at least as successful at this as were many of the dynastic political rulers. The greatest of these dynasties, of course, were the descendants of Meyer Amschel Rothschild of Frankfort, whose male descendants, for at least two generations, generally married first cousins or even nieces. - Carroll Quigley