Conversation so far:
What was Richard I of England's occupation?
Richard I was King of England from 1189 until his death.
What happened during the third crusade in Sicily?
Tancred had seized power and had been crowned early in 1190 as King Tancred of Sicily.
Are there any other interesting aspects about the Richard I of England article?
King Tancred of Sicily imprisoned King William II of Sicily's widow, Queen Joan (also Richard I of England's sister), not giving her the money she inherited in William's will.

Question: What happened after they imprisoned?
Self-contained rewrite: What happened after King Tancred of Sicily imprisoned Queen Joan?