Death of Robert De Niro’s Grandson Robert.Photo:Stephane Cardinale - Corbis/Corbis; Instagram/drenadeniro

Death of Robert De Niro’s Grandson Robert

Stephane Cardinale - Corbis/Corbis; Instagram/drenadeniro

An arrest has been made in connection with the alleged overdose death ofRobert De Niro’s grandson, a source close to the case confirms to PEOPLE.

According to the source, Sofia H. Marks, 20, was arrested and is accused of selling drugs to Leandro De Niro-Rodriguez, 19. De Niro-Rodriguez was reportedly found dead on July 2 inside a New York City apartment.

Marks, who was arrested on Thursday, was reportedly arraigned on Friday. She is charged with three counts of distribution of narcotics, the source revealed. Marks “is expected to make an application for bail in the future,” according to the source.

Her trial is scheduled for August 14. It was not immediately clear if Marks has an attorney to reach for comment.

On July 2, the late teenager’s mother Drena De Niro, who is De Niro’s eldest daughter with his ex-wife Diahnne Abbott, penneda heartful message on Instagramto her “beautiful sweet angel.”

“I have loved you beyond words or description from the moment I felt you in my belly,” her message began. “You have been my joy my heart and all that was ever pure and real in my life. I wish I was with you right now. I wish I was with you."

Drena De Niro and Leandro Rodriguez.Drena De Niro/Instagram

Drena De Niro; Leandro Rodriguez

Drena De Niro/Instagram

After De Niro-Rodriguez’s death, De Nirosaid in a statement: “We’re greatly appreciative of the condolences from everyone. We ask that we please be given privacy to grieve our loss of Leo.”

source: people.com