Apart from financial, administrative and artistic improvements, his other accomplishments in the Sicilian kingdom include the restoration of the aqueducts, the drainage of marshy areas, and the paving of streets.
Terlepas dari perbaikan keuangan, administratif dan artistik, prestasi lainnya dalam kerajaan Sisilia termasuk pemulihan saluran air, drainase daerah rawa, dan mengaspal jalan-jalan.