1. Valmontone was just within the diocese of Segni.

2. The party's ageing faction leaders, says Mr Segni, have turned into pure power brokers.

3. Mr Segni says he resorted to referendums after more than ten years of fruitless debate within the party on institutional reform.

4. Claricia Scotti had married into the Contis of Segni, small landowners in the Anagni region to the south-east of Rome.

5. It is enshrined in draft legislation sponsored by Mario Segni, who championed the cause of electoral reform.