Researching relatives of Dempster family

SIR, - I would briefly like to use your columns to seek/make contact with any relatives and friends of Joseph Black Dempster, born Athelstaneford 1898, died Eyemouth 1981, and his daughter Catriona Dickson Ghillie (nee Dempster), born Haddington 1940 and who married James Edward Ghillie in Eyemouth in 1979. I am currently researching the short lives of Joseph’s elder brothers, my great uncles, John and William, who perished in Flanders in 1916 and 1918.