Some poignant correspondence among John Frank Clark's papers with family members still in England about First World War service in Flanders and France prompted curiosity about the war service of William and Jane's family members. Here is what has been ascertained so far:
Anglo/Zulu War (1879)
William Clark (Royal Durban Rifles: served in Zululand)
World War 1 (1914-1918)
Cyril Clark (Belgium, France) (Wounded in action)
Ernest Clark (East Africa)
Herbert Clark (South African Medical Corps: served in East Africa)
Leonard Clark (South African Field Artillery; served in North Africa)
Peter Joseph Clark (Belgium, France) (Wounded in action)
Sidney James Clark
Walter Clark (Belgium, France - including Delville Wood)
Victor Clark (Belgium, France)
World War 2 (1939-1945)
Barry Clark (South African Air Force: served in 28 and 44 Squadrons in North Africa 24 Squadron in Italy)
Clive Clark (South African Air Force: killed in action, Crete, 1944)
Dennis Clark (North Africa - Captured at Tobruk)
George Clark (First Field Company, South African Engineer Corps: served in East Africa, North Africa, Italy)
Irene Clark (Royal Air Force: served in Malta, and awarded Queens Medal)
Leonard Clark (Natal Mounted Rifles: served in East Africa, North Africa, Italy: Mentioned in dispatches)
Lester Clark (South African Engineer Corps: served in East Africa, North Africa, Italy)
Raymond Bostock Clark (South Africa Air Force)
Raymond Evans Clark (1435 Squadron, Royal Air Force (Spitfires): served in Italy)
Wilfred Clark (Lt. Colonel, 15th and 31st Squadrons, South African Air Force; served in North Africa, Italy, Poland, and Germany)
Reginald Sydney "Nobby" Clark (North Africa)