The Adventure of the Greek Interpreter Sherlock Holmes, far from being a one-off in terms of his powers of observation and deductive reasoning, in fact has an elder brother whose skills, or so Holmes claims, outstrip even his own. As a consequence of this, Watson becomes acquainted with the Diogenes Club and his friend's brother, Mycroft. Mycroft, as Watson learns, does not have the energy of his younger brother and as a consequence is incapable of using his great skills for detective work: In spite of his inertia, the elder Holmes has often delivered the correct answer to a problem that Sherlock has brought to him.
William Mycroft is a suggestion that Arthur Conan Doyle derived the name of Mycroft the older brother of Sherlock Holmes from William Mycroft. Conan Doyle was a first-class cricketer who later played for MCC and had a respect for fast bowlers. Mycroft played his last first-class match for MCC in 1886. He umpired four first-class matches before his retirement and later umpired two more during the 1891 season. He died of influenza at the age of 53 in Derby. Mycroft's half-brother, Thomas, played for Derbyshire between 1877 and 1885. William Mycroft William Mycroft (1 February 1841 – 19 June 1894) was an