(Charisma) – Christian music artist TobyMac’s oldest son died at home Tuesday night or Wednesday, according to the Tennessean. A cause of death has yet to be determined. Truett Foster McKeehan, an aspiring rapper, was 21 years old when he died. He released his music under the names Truett Foster, truDog, TRU and Shiloh. A representative confirmed that McKeehan passed away in his home in the Nashville area.

“Cause of death has not been determined,” the representative said. “Toby was traveling back from Canada and did not get home to be with his family until after midnight last night so there is no statement. We just ask that everyone please be respectful of their privacy during this time and allow them to grieve their loss.”

TobyMac left his weeklong tour in Canada to be with his wife and children, and the rest of his concerts for this week have been postponed. “I’m writing to inform you of a recent situation that has caused us to have to stop the TobyMac Canadian Tour today,” Unite Productions President Paul Kelly says in the email, according to CHVN Radio. READ MORE