Apparently they have altered them without really changing them.
Seig Heil
We won’t even get into trying to Home School your children in The Fatherland...
“You must also pay church tax if you’re affiliated to a religious community (town) that charges it.
Church tax is based on your income tax bill – 8% of your income tax in Bavaria and Baden-Württemberg, 9% in other parts of Germany.”
http://europa.eu/youreurope/citizens/work/taxes/income-taxes-abroad/germany/index_en.htm
Whether a name is acceptable or not is the decision of the registry office in the place of birth of the child. If you want to give your child an unusual German name, you should consult the competent registry office prior to the birth in order to find out whether the name will be accepted without any problems.
The legal regulations regarding first names are often more generous if one or both parents come from abroad. Naming rules prevelant in the respective country of origin can be, but do not necessarily have to be taken into consideration.