Children born in wedlock between Jan. 1, 1914 and Dec. 31, 1974:
acquired German citizenship only if the father was a German citizen at the time of their birth.
Children born to a German mother in wedlock between Jan. 1, 1964 and Dec. 31, 1974:
only acquired German citizenship if they would have become stateless otherwise.
Children born in wedlock after Jan. 1, 1975:
acquired German citizenship if one of the parents was a German citizen at the time of their birth.
Children born in wedlock between April 1, 1953 and Dec. 31, 1974 to a German mother and a non-German father did not become German citizens by birth. However, during the years 1975, 1976 and 1977, their parents could claim German citizenship for them. The deadline for this procedure irrevocably ended on Dec. 31, 1977.