<Tr> <Th> Siblings </Th> <Td> <Ul> <Li> Kumbhakarna, Vibhishana (brothers) </Li> <Li> Surpanakha (sister) </Li> <Li> Kubera (half - brothers) </Li> </Ul> </Td> </Tr> <Ul> <Li> Kumbhakarna, Vibhishana (brothers) </Li> <Li> Surpanakha (sister) </Li> <Li> Kubera (half - brothers) </Li> </Ul> <Li> Kumbhakarna, Vibhishana (brothers) </Li> <Li> Surpanakha (sister) </Li>

What is the real name of ravan in ramayan