Yes, his brother. Jason has three other siblings, and he is not the only Robertson in the NHL. His younger brother Nick was drafted by the Toronto Maple Leafs 53rd overall in the 2019 NHL Entry Draft.

8 Trade Landing Spots for Jason Robertson Amid NHL Rumors. ... Robertson in the mix with Jonathan Huberdeau, Nazem Kadri and Matt Coronato highlights how big of a difference-maker he would be.