"The upheaval was over. In rapid and bewildering succession, a tsar had died; a ten-year-old boy, the minor child of a second wife, had been elected in his place; a savage military revolt had overthrown this election and spattered the young Tsar and his mother with the blood of their own family; and then, with all the jeweled panoply of state, the boy was crowned jointly with a frail and helpless older half-brother. Through all the horror, although he had been elected tsar, he was powerless to intervene.
The Streltsy revolt marked Peter for life. The calm and security of his boyhood were shattered, his soul was wrenched and seared. And its impact on Peter had, in time, a profound impact on Russia." Part 1, Chapter 4, "The Revolt of the Streltsy," pg. 52.

"Within the family, Natalya's place in Peter's affections was taken by his younger sister, Natalya, a cheerful...