Category E [Change of personal status] Persons who had acquired Japanese nationality at birth but due to a subsequent change in legal parentage “lost” such nationality retroactively going back to the time of birth (Sample cases from ROK/Japan, China/Japan) Category E consists of persons who had acquired Japanese nationality, the nationality of a parent at birth following the jus sanguinis principle, but due to a subsequent court decision denying their parentage, were denied Japanese nationality retroactively going back to the time of their birth, consequently making them stateless. < Case 9 > involves a person born in Japan to a female of ROK nationality married to a Japanese male and acquired Japanese nationality at birth. After attaining the age of majority, his father under the family register filed a lawsuit denying his legal paternity for not being the biological father, and he was considered to have lost his Japanese nationality retroactively going back to the time of birth and was removed from the family register, thereby becoming stateless. < Case 10 > involves a person who had been a foundling found in China and was subsequently registered as a biological child of a married couple of Japanese and Chinese nationals. The family subsequently came to Japan. After coming to Japan, his parentage was denied through litigation to confirm the non-existence of a parent-child relationship, and he was considered to have lost his Japanese nationality going back to the time of birth and was rendered stateless. 1. < Case 9 > A person born in Japan who acquired Japanese nationality at birth, but subsequently was denied Japanese nationality going back to the time of birth as a result of litigation denying the parent-child relationship (1) Case summary A is a male born in the late 1970s in Japan. The mother who gave birth to A (referred to as B, who was of ROK nationality at that time) had been living with C, a male of Japanese nationality since before A was born. B, however, had previously registered her marriage with D, another male of Japanese nationality. Thus, A was registered under the 78