Frederick was succeeded in Austria and Styria by his younger brothers Albert II and Otto. It took the Habsburgs more than a century to regain the royal crown, when Albert's II great-grandson Albert V of Austria ascended to the German throne in 1438. References
Frederick I of Prussia (1657–1713), Elector of Brandenburg; Frederick II of Prussia (1712–1786), King of Prussia, Frederick the Great; Frederick III, German Emperor (Frederick III of Prussia, 1831–1888), German emperor and King of Prussia; Frederick William I of Prussia (1688–1740), King of Prussia
RNA biology meets developmental biology: post-transcriptional gene regulation in Drosophila development