The UoS numbered some 30 members, including Nikita Muravyov, Sergey Muravyov-Apostol, Matvei Muravyov-Apostol, Sergei Trubetskoy, Ivan Yakushkin, Pavel Pestel, Yevgeni Obolensky, Ivan Pushchin, Mikhail Lunin and others. In 1817 they approved the UoS charter and changed the society's name to Society of True and Loyal Sons of the Fatherland.
The UoS consisted of roughly 30 members, including prominent figures such as Nikita Muravyov, Sergey Muravyov-Apostol, Matvei Muravyov-Apostol, Sergei Trubetskoy, Ivan Yakushkin, Pavel Pestel, Yevgeni Obolensky, Ivan Pushchin, Mikhail Lunin, and others. In 1817, they formally endorsed the UoS charter and rechristened the organization as the Society of True and Loyal Sons of the Fatherland.