Grammy award-winning artist TobyMac’s son Truett McKeehen has died at his Nashville home, a rep for Toby confirmed on Thursday.

The Davidson County, Tennessee Medical Examiner’s office also confirmed Truett’s passing, but have not determined the cause of death as of yet.

The 55-year old Christian rapper, stopped a week-long tour in Canada to travel home to be with his family in Tennessee — where he lives with his wife Amanda and their 5 children.

Truett Foster McKeehan took after his father, aspiring to become a rapper who had already released songs and videos online with the stage names Truett Foster, truDog, TRU and Shiloh. He and his father had collaborated on various songs.

Here’s one of their first songs.

Truett was just 21-years old at the time of his death.

Sending heartfelt condolences to the family. Rest in peace, Truett.