Project Pat's son was shot and killed in a Tennessee park last week aged just 21.
Patrick Houston Jr., who is also the nephew of Three 6 Mafia co-founder Juicy J, died in Imogene Heights on Friday, per TMZ.
Memphis Police said the shooting happened around 1.15pm. Houston Jr. was found dead at the scene by officers.
No further details have been released.
Project Pat, 51 - real name Patrick Earl Houston - is the older brother of Oscar winner Juicy J and rapped on the Three 6 Mafia hit Sippin' on Some Syrup in 2000.
He also released singles Don't Save Her and Chickenhead.
Project Pat's son Patrick Houston Jr. (pictured) was shot and killed in a Tennessee park last week aged just 21
Project Pat - real name Patrick Earl Houston - is the older brother of Oscar winner Juicy J and rapped on the Three 6 Mafia hit Sippin' on Some Syrup in 2000 - pictured 2023
Pat was formerly a member of hip-hop group the Kaze, and released Kamakazie Timez Up with them.
He started his music career collaborating with Juice J - real name Jordan Houston - and DJ Paul in the early 1990s.
His aspirations hit a screeching halt when he was jailed for aggravated robbery. He then made a comeback with 1999 solo album Ghetty Green and worked with Three 6 Mafia.
His second album Mista Don't Play: Everythangs Workin was released in 2001.
Shortly after the album dropped he was charged with a parole violation and jailed again for four years after guns was found in his car during a traffic stop.
He released third album Layin' Da Smack Down in 2002 and after his release from prison dropped Crook by da Book: The Fed Story. The first single off the album was "Good Googly Moogly" featuring DJ Paul and Juicy J.
He also released Don't Call Me No Mo featuring Three 6 Mafia in 2007.
Pat is pictured with younger brother Juicy J in 2014
Police are seen at the scene of the shooting in Memphis
Three 6 Mafia members Darnell Crunchy Black Carlton and Jordan 'Juicy J' Houston, center, are seen with songwriter Cedric Coleman when they won their Oscar for Best Original Song in 2006
In 2023, Pat collaborated with Juicy J on album THEM GOATS.
Project Pat is the founder of the Go Foundation, a non-profit which administers prison ministry.