Looks like they were members of a hate group in England that is actually "banned". This group was actively attempting to provoke a race war in the UK. They are going to prison. Hopefully someone renames the child.
Couple who named baby after Hitler found guilty of membership of neo-Nazi group - CNN
Except for the UK, how is it "illegal" to belong to an organization? We should follow their lead and brand the Black Panthers, Nation of Islam, Muslim Brotherhood, the SPLC, the Communist Party USA, and the Socialist Party as "hate groups", making them all illegal.