Complex sentence: This French collar, a chain of couples of broomcods linked by jewels, is seen in the contemporary Wilton Dyptych portrait of Richard II. The same collar was worn by Henry IV on the way to his crowning.
Split into simpler sentences: This French collar, a chain of couples of broomcods linked by jewels, is seen in the contemporary portrait of Richard II at Wilton. The like collar was worn by Henry IV on the way to his crowning.