In the summer of 2012, three members of the bin Ali Jaber family were killed in a drone attack in Yemen; many of the survivors were left traumatized. The US military base Ramstein in Germany played an important role in the attack. The German government’s response has been to deny any knowledge of or responsibility for the drone strikes.

https://www.ecchr.eu/en/case/important-judgment-germany-obliged-to-scrutinize-us-drone-strikes-via-ramstein/