William Richard Morfill,
Dictionary of National Biography…
(1890)
“ But his regiment was soon afterwards sent to Kolomenskoe, near Moscow, once the favourite residence of Alexis, then occupied by Peter, and he gradually fell more under the notice of the future regenerator of Russia. In the following year he had an opportunity of showing his devotion to the cause of the young czar when the struggle broke out between him and his ambitious sister, for the elder brother, Ivan, was a mere cipher. A revolution occurred, in which the cause of Peter triumphed by the help of Gordon. ”
