In your memorandum, you asked a question involving foreign law: i.e., whether, under
                  South Korean law, the adoption of Park Chan Y by Park Neung W had any effect on the
                  relationship of Park Change Y as the stepchild of Arthur E. G , deceased wage earner.
               
               The pertinent facts of the case, as presented in your memorandum, appear to be the
                  following: The claimant, alleged spouse of the deceased wage earner, filed a claim
                  for mother's benefits and for child's benefits on behalf of her son, Park, as the
                  stepchild of the wage earner. Park was born on August 27, 1957. The only evidence
                  presented to establish his roots was a certified copy of the family register. This
                  copy indicates that his father is unknown and that his mother is the claimant. The
                  claimant married the wage earner in Seoul, South Korea, on December 22, 1964. At the
                  time of this marriage, the wage earner was still married to his first wife. The first
                  wife obtained a divorce from the wage earner in May 13, 1971. The wage earner and
                  the claimant came to the U.S. in 1972. Park was left behind in Korea to finish his
                  schooling and was adopted by Park Neung W in April 1972. The claimant alleges that
                  Korean law requires a child to have someone legally responsible for the child while
                  he or she remains in Korea.
               
               We asked the Law Library, Library of Congress, for assistance on the issue of whether
                  the adoption of a stepchild by a third person has any effect on the relationship of
                  that child as the stepchild of a stepparent. We received a letter reply which provides
                  the following:
               
               "A valid adoption must be registered with the Family Registrar under Article 787 of
                  the Civil Code (Law No. 471, effective on January 1, 1960), which provides that
               
               . . . [a]n adoption becomes effective by notification thereof in accordance with the
                  provisions of the Family Registration Law.
               
               The notification mentioned in the preceding paragraph must be made in writing with
                  the joint signature of both parties and two witnesses.
               
               In interpreting the above Article, Professor, Chu-su K discussed the effects of a
                  valid adoption, pointing out that “an adoption would not affect the adopted child's previous family relations including
                  his relation to the parents.” (K , Chusok Ch'inzok Sangsokpop [A Commentary on the Laws of the Relatives and Succession].
               
               On the basis of Professor K statement, it appears that the child in question became
                  the stepchild of the deceased wage earner when the latter married the child's mother,
                  and remained the same even after he was adopted by another person"
               
               Based on the above, we conclude that, under the laws of South Korea, if applicable,
                  the adoption of Park by Park Neung W may not effect the stepchild relationship between
                  Park and the wage earner.