Cobbe married Frances Amelia Elders, the daughter of Richard Elders of Phillipstown, Feilding. They had three sons, Ernest, Maurice, Richard, and one daughter. One son, Ernest Cobbe, died in action in
Ypres, Belgium, in 1917; son, Maurice Cobbe, survived the war. His wife died during the 1935 election campaign on 24 November 1935. ==Further reading==