Cobain’s daughter, who was 20 months old when her father died, shared a post about Cobain last year.
At the weekend, Hawk shared a post on Instagram paying tribute to Cobain, having rediscovered a ticket stub from a Nirvana gig he attended on 20 October 1991.
Tony Hawk has shared a heartbreaking message about Kurt Cobain, leaving fans of the skateboarding legend in tears.
“I am sobbing at Tony Hawk posting about his grandchild who is also Kurt Cobain's grandchild,” one person wrote.
“I choose to believe in the multi-verse bc there has to be a timeline where Kurt Cobain and Tony Hawk are hanging out together, being the coolest F***ing grandpas ever.