John Cadman, 1st Baron Cadman British mining engineer (1877-1941) (1877–1941) Parents Betty Keeling James Cope Cadman Children Arthur Denys Cadman John Cadman, 2nd Baron Cadman Sybil Mary Cadman Marguerite Betty Cadman Siblings William Henry Cadman Maude Cadman Betty Cadman Amy Bettina Cadman Dora Cadman Charles Joseph Cadman Frank Cadman Richard Cadman James Cadman Beatrice Ida Cadman Ella Cope Cadman Herbert Cadman Partners Lilian Harragin
