In contact with Napoleon's sister Caroline Murat and other ladies of Parisian society, he won a reputation for licentiousness; nevertheless, from those ladies and from his relations with the foreign minister Talleyrand and with the Russian envoy, he obtained excellent reports on the state of affairs in France. Although Metternich's successes in the negotiations leading up to the Franco-Austrian Treaty of Fontainebleau were insignificant, he used his time to acquire a deep insight into the emperor Napoleon I's character.