navy. Also in 1285, Robert took part in the French-led Aragonese Crusade (which ended in defeat) and attempted an invasion of Sicily in 1287. The release of Charles II from Aragonese custody in 1287 ended his rule as regent of Naples.

In 1288, Robert began work on a great park at Hesdin Castle. The park contained a menagerie, aviaries, fishponds, orchards, an enclosed garden and facilities for tournaments. It also contained mechanical statues including waving