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.
Sherlockian game Cambridge, although the question of which one remains a topic of eternal debate. Baring-Gould believed textual evidence indicated that Holmes attended both. The most influential "biography" of Holmes is "Sherlock Holmes of Baker Street" by Baring-Gould. Faced with Holmes' reticence about his family background and early life, Baring-Gould invented one for him. According to Baring-Gould, Sherlock Holmes was born in Yorkshire, the youngest of three sons of Siger Holmes and Violet Sherrinford. The middle brother, Mycroft, appears in the canon, but the eldest, Sherrinford Holmes, was invented by Baring-Gould to free Mycroft and Sherlock from the obligation of following Siger