Will residency in the Netherlands have implications on a possible BAföG (German Federal Law on Support for Education) student grant to my child?

A residence in the Netherlands has no impact on BAföG grants.

The main place of residence will still be Germany. However, it is important to have a German bank account to which the agency can transfer the money.

(Source: AStA of RWTH Aachen, BAföG counselling)

The Allgemeine Studierendenausschuss (AStA) of the RWTH Aachen:

BAföG-Beratung