Complex sentence: In March 1093 he delivered Richard to the emperor, who had him arrested at Trifels Castle, and charged with the murder of Conrad, who was Leopold's cousin, and also with insulting the Austrian duke by throwing down his banner at Acre.
Split into simpler sentences: In March 1093 he delivered Richard to the emperor, who had him arrested at Trifels Castle. The king was charged with the murder of Conrad, who was Leopold's cousin, and also with insulting the Austrian duke by throwing down his banner at Acre.