Johnson's late father, Basil L. I. Johnson, CBE DFM RAFVR was a World War II flight sergeant.
In 1943 and 1944, Basil Johnson flew fifty war-time bombing missions in Avro Lancaster bomber aircraft for the Pathfinder (RAF) 156 squadron.
He was the only black Bahamian to fly in the British Royal Air Force during World War II.

Johnson's grandfather, Thomas Tot Walsh, was a professional footballer who was a centre-forward for the Bolton Wanderers and Crystal Palace.
In 1923, Walsh was the twelfth man for the Football Association Cup final, known as the White Horse Final, where Bolton beat West Ham 2 to 0 at Wembley.
On 15 January 1927, he scored a double hat-trick in a 9 to 4 win for Bristol City against Gillingham.
Johnson's late father, Basil L. I. Johnson, CBE DFM RAFVR was a World War II flight sergeant. In 1943 and 1944, Basil Johnson flew fifty war-time bombing missions in Avro Lancaster bomber aircraft for the Pathfinder (RAF) 156 squadron. He was the only black Bahamian to fly in the British Royal Air Force during World War II.
Johnson's grandfather, Thomas Tot Walsh, was a professional footballer who was a centre-forward for the Bolton Wanderers and Crystal Palace. In 1923, Walsh was the twelfth man for the Football Association Cup final, known as the White Horse Final, where Bolton beat West Ham 2 to 0 at Wembley. On 15 January 1927, he scored a double hat-trick in a 9 to 4 win for Bristol City against Gillingham.
Ivan Johnson