Born in Townsville, Queensland, Grevsmuhl is of Indigenous Australian descent and played his junior rugby league for the Hughenden Hawks and Townsville Brothers, before being signed by the North Queensland Cowboys.
Grevsmuhl was born in Townsville, Queensland. Grevsmuhl is of Indigenous Australian descent. This is before. Grevsmuhl was being signed by the North Queensland Cowboys. Grevsmuhl played his junior rugby league for the Hughenden Hawks and Townsville Brothers. This was before. Grevsmuhl was being signed by the North Queensland Cowboys.