 Trade in government bonds had now gained in importance; there were bond issues for Denmark, Hessen-Darmstadt, Kurbaden, and the Johanniterorden.But Mayer Rothschild also entered into financial transactions with the Princes of Ysenburg, Büdingen and Thurn und Taxis.What boosted Rothschild's fortunes, however, was the managing of the exiled Elector's assets.