Rex Allen Jefferies was born in Johannesburg. He qualified as a teacher and commenced his teaching career in 1972. He was subsequently stationed in various parts of Southern Africa. At one of the schools where he taught he met his wife to be, Esta Naudé. The Lord graciously saved Rex in the mid 1980s. Rex and Esta joined Martin Holdt at the Afrikaans Baptist Seminary early in 2008. They retired from the Seminarium at the end of 2016. They have four married children, graciously saved and married to Christians, and are blessed with fifteen grandchildren. He is the author of The Man in the Gap.