Complex sentence: The first video was titled "Muslim migrant beats up Dutch boy on crutches!"; however, per the original uploader Dumpert's sister site, Geenstijl, the man was neither Muslim nor a migrant.
Split into simpler sentences: The first video was titled "Muslim migrant beats up Dutch boy on crutches!". The original uploader Dumpert's sister site, Geenstijl, claims the man was neither Muslim nor a migrant.