Hello Ahmad,
Are you in Germany with your children now, or are your children and your wife still in Syria?
Your profile here says that you are from Wunstorf. If that is the case, here are some resources:
****://***.nds-fluerat.org/
- Legal advice for refguees in Hannover. The Arbeitskreis in Wunstorf recommends them for legal advice.
The city of Wunstorf also offers advice. Here is their website:
https://***.wunstorf.de/buergerservice/dienstleistungen/fluechtlingsangelegenheiten-und-sozialarbeit-72-0.html?myMedium=1
The contact information is at the top of the page. They recommend making an appointment to meet.
All the best,
Julia