((:/BIRTH-ID 1 :/BIRTH-PERSON 1 :/BIRTH-DATE "1938" :/MOTHER 0 :/FATHER 0)
 (:/BIRTH-ID 2 :/BIRTH-PERSON 2 :/BIRTH-DATE "1942" :/MOTHER 0 :/FATHER 0)
 (:/BIRTH-ID 3 :/BIRTH-PERSON 3 :/BIRTH-DATE "1962" :/MOTHER 2 :/FATHER 1)
 (:/BIRTH-ID 4 :/BIRTH-PERSON 4 :/BIRTH-DATE "29 September" :/MOTHER 0 :/FATHER
             0)
 (:/BIRTH-ID 5 :/BIRTH-PERSON 5 :/BIRTH-DATE "2 May" :/MOTHER 4 :/FATHER 3))