Brother Marquis, integral member of the influential, but controversial rap group 2 Live Crew has died at age 57. While no lead to of death has been officially confirmed, TMZ reports all-natural causes.

Born Mark Ross, Brother Marquis joined 2 Live Crew in 1986—two years right after the late Fresh Kid Ice and DJ Mr Mixx relocated from Riverside, California to Miami to hyperlink up with neighborhood promoter Luke Skyywalker. Already beginning to pioneer the Miami Bass sound with songs like “Throw the D,” Brother Marquis added his comedic wordplay to the mix and created appearances on the group’s 1986 debut album The 2 Live Crew Is What We Are with the album’s intro getting the initially song he recorded with the group.

Brother Marquis also appeared on some of the group’s most significant and most controversial songs like “Me So Horny,” “Pop That P—y,” and “Banned in the U.S.A.”

After the group broke up through the early ’90s, Brother Marquis went on to type a group with Atlanta’s DJ Toomp, releasing the album Indecent Exposure in 1993. He also featured on the original version of Ice-T’s “99 Problems,” whose remake became a huge hit in 2004 thanks to Jay-Z.

Brother Marquis reunited with Mr. Mixx and Fresh Kid Ice more than the years, releasing music and touring as the 2 Live Crew. Unfortunately, Fresh Kid Ice passed away in 2017, a year right after leaving the group for great. Mr. Mixx and Brother Marquis released the Christmas rap song “One Horse Sleigh” through the 2016 vacation season as The 2 Live Crew.