Peacocks youngest daughter, Eugenie, married George P. Dawson, who succeeded Colonel Peacock as Managing Director on the formation of the new Beyer, Peacock and Company Limited in 1902.
Peacocks jüngste Tochter Eugenie heiratete George P. Dawson, der Colonel Peacock 1902 als Geschäftsführer in der neuen Beyer, Peacock and Company Limited folgte.