The German star, known as Dead Dawg, reportedly died of thrombosis.
His death was announced by Berlin rap music group BHZ on Sunday evening.
A black and white picture of Grant was shared alongside some words ‘from the family’.
The statement read: ‘The artist, actor, musician and part of BHZ, Pablo Grant, died unexpectedly on February 6th at the age of 26 as a result of a thrombosis.
‘The family and friends of the deceased are heartbroken and ask that privacy be respected and no contact be made at this difficult time until further notice.
‘We would like to thank all the fans who have accompanied and supported Pablo’s artistic path over the years.’
Days before Grant’s sudden death, BHZ cancelled its tour.
They had been scheduled to begin a tour on Thursday, February 8 but cancelled the performances three days prior.
In a statement on Instagram they wrote: ‘Due to very short-term illness-related reasons, we have to cancel our upcoming tour without replacement before the planned tour starts.’
The tour was due to kick off in Vienna and end in Berlin on March 1.
As well as being a successful rapper, Grant also acted in multiple TV shows and movies.
He was born in Berlin in 1997 and trained as an actor at the Transform acting school in his home city.
He made his debut with a supporting role in 2016 film, Bibi & Tina: Girls Against Boys, later joining the cast of German comedy film Misfit in 2019.
Grant later had supporting roles in crime series In Truth, A Case for Dr. Abel, Police Call 110 and In Aller Friendship.
He also released his solo album Dunklschwarz in 2019.
…another non-vaccine “vaccine” death. They guy should have refused the clot shots. Now he is truly a dead dog…
prayers for this young man and his family very sad gone too soon