Grand Daddy I.U. has died aged 54.

The rapper – whose actual title was Ayub Bey – was a member of hip hop group Juice Crew within the Eighties, however turned higher recognized in 1990 when he dropped his debut album ‘Smooth Assassin’ underneath Biz Markie’s Cold Chillin’ Records label.

He died “peacefully” in his sleep, in line with fellow rapper and document producer Pete Rock.

Pete wrote on Instagram: “Grand Daddy I.U. died peacefully in his sleep”

He additionally admitted the pair had “massive respect” for each other.

Pete wrote in one other publish: “We didnt get our chance rock We had massive respect for one another

“Rest in Power GrandDaddy IU (sic)”

Grand Daddy’s representative Raya wrote in a statement on Instagram: “No, I’m not okay. I’m devastated.

“Anyone who really knows me knows how much pure love and respect I had for him and out of respect for him and his family, I’m staying quiet right now.

“I don’t have to publish photos nor tales to profess something. I pray for a peaceable and simple transition.”

Rap legend LL Cool J also took to Instagram to pay tribute to Grand Daddy, thanking him for his “contribution”.

He wrote: “Rest in energy King. HipHop was in your DNA. @granddaddy_iu Thank You on your contribution.”

Fellow rapper Busta Rhymes commented on his post: “Waking as much as this loopy. RIP ALMIGHTY GDIU!! (sic)”

Wu-Tang Clan member Method Man also appeared to find out about Grand Daddy’s passing from LL’s tribute.

He commented: “Whaaaaaat?! No means! Long Island Legend … relaxation in energy King (sic)”