The 15-year-old took to Twitter and said that his grandmother, Katherine, was "misguided" and "lied to" by relatives, The Hollywood Reporter said.
"As long as I can remember, my dad had repeatedly warned me of certain people and their ways. Although I am happy my grandma was returned, after speaking with her I realised how misguided and how badly she was lied to. I am really angry and hurt," Prince posted.
Alongwith the tweet, he also posted an image of his cell phone screen, featuring a group chat that he had started to several family members.
The image showed a conversation that appears to include Prince, his aunts Rebbie and Janet Jackson, and another relative, Austin Jackson.
His text reads: "This is enough so I am texting you for the simple fact that WE DEMAND TO SPEAK TO MY GRANDMA NOW!!!"
A reply that was apparently sent by Janet read: "Don't let them pls."
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Prince said that the group text message that he had initially sent was replied to but his relatives didn't know that I could see the responses.
"For this whole time, we were denied contact to our grandmother," he added.
The exchange reportedly took place a few hours after Janet was seen trying to take Paris' cell phone away from her in Katherine's driveway. (MORE)