But the difficulty was that nobody had any claim to be king, and the Greeks were all so jealous of each other that there was no chance of their submitting to one of themselves.  The only royal family belonging to their branch of the Church were the Russians; and France, England, Austria, and all the rest were afraid of letting the great Russian power get such a hold on the Mediterranean Sea as would come of Greece being held by one of the brothers or sons of the Czar.