Justin was a construction worker with Shaw Construction in Waldorf, MD and a 1998 graduate of Southern High School in Harwood, MD. He enjoyed photography, playing the guitar, especially the blues, hunting, and fishing.

Son of the late Rupert G. Knowles, Jr., and the living Donna C. Barnes Knowles.

Predeceased his father.

Survived by his mother, Donna C. Knowles of Waldorf, MD; two brothers, Ahren G. (Jessica) Leo, Sr., of Clarksville, TN and Eric D. Knowles of Annapolis, MD; one niece, Reagan Knowles of Hagerstown, MD; two nephews, Ahren "AJ" Leo, Jr., of Clarksville, TN, and Eric Leo of Clarksville. Also survived by many extended family members and close friends.

Visitation: Friday, May 21, 2010 from 5-8 PM with a funeral service at 7 PM at Raymond Funeral Chapel, 5635 Washington Avenue, La Plata, MD.

Clergy: Rev. Mark Roberson

Interment: at a later date.

Memorial contributions may be made to the charity of your choice.

Arrangements provided by Raymond Funeral Service.