Complex sentence: Originally, the "Cour d'honneur" was limited by an iron enclosure, a masterpiece of ironworks demolished in 1821, because the inhabitant, a member of the family of the Bavarian king did not like them.
Split into simpler sentences: Originally, the "Cour d'honneur" was limited by an iron enclosure. This masterpiece of ironworks was demolished in 1821, because a member of the family of the King of Bavaria did not like them.