Chief Keef Tweets Last Respects To Slain Stepbrother

Rapper Chief Keef, aka Keith Cozart (l.), tweeted his last respects to his stepbrother, Ulysses Gissendanner, slain Jan....

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Chief Keef this week tweeted his last respects to his late stepbrother, an aspiring teen rapper who was murdered on the Far South Side last week.

Ulysses “Chris” Gissendanner III, whom friends called “Boomie,” modeled his hip-hop alter ego, ”YPN Boomtown,” after Chief Keef, the Englewood teen rap sensation he was related to by marriage. Gissendanner’s stepfather, Alfonso Cozart, says he is the father of Chief Keef, whose real name is Keith Cozart.

“R I P Bro BooMan #NoWorries #Bang,” Chief Keef posted Tuesday on his Twitter handle.

Gissendanner, 19, a student at Richard J. Daley College, took a fatal bullet to the back of the head while visiting family in West Pullman last week.

Chief Keef and Gissendanner grew up together, but drifted apart when they got older, family members said.

Chief Keef and his immediate family told DNAinfo.com Chicago that they did not recognize Gissendanner — or Alfonso Cozart for that matter — as family, the rapper’s lawyer and maternal grandmother said.

Chief Keef “wasn’t friendly” with Gissendanner and had “nothing to do with the kid,” attorney Dennis Berkson said. “And [Chief Keef] has no relationship with his father.”

Funeral services for Gissendanner were pending.

Ulysses Gissendanner, whose family said he was a former stepbrother of Keith Cozart, also known as Chief Keef, was ...

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