Possible Clues:

• Unorthodox head’s key refusal to accept point
• Rival church leader
• Dad in a new relationship, a man challenging religious authority
• Rebel church leader disliking work among vacuous people
• Benedict X, but not IX or XI
• Schismatic pontiff based at Avignon
• Appoint new leader of ecclesia? This one's not approved
• Against music, ecstasy and opposition to Church leader
• Not so holy father shows an informal refusal to accept advice
• Breakaway religious leader