<Tr> <Td> <Ul> <Li> Gospel </Li> <Li> Epistles <Ul> <Li> First </Li> <Li> Second </Li> <Li> Third </Li> </Ul> </Li> <Li> Revelation <Ul> <Li> Events </Li> </Ul> </Li> </Ul> </Td> </Tr> <Ul> <Li> Gospel </Li> <Li> Epistles <Ul> <Li> First </Li> <Li> Second </Li> <Li> Third </Li> </Ul> </Li> <Li> Revelation <Ul> <Li> Events </Li> </Ul> </Li> </Ul> <Li> Epistles <Ul> <Li> First </Li> <Li> Second </Li> <Li> Third </Li> </Ul> </Li> <Ul> <Li> First </Li> <Li> Second </Li> <Li> Third </Li> </Ul>

How old was john when he wrote revelation