The '''Russian Orthodox Old-Rite Church''' (or '''Russian Orthodox Oldritualist Church''', '''Russian Orthodox Old-Ritualist Church''') ({{lang-ru|Русская Православная Старообрядческая Церковь}}) is an [[Eastern Orthodox Church]] of the [[Old Believers]] tradition, born from a [[schism (religion)|schism]] within the [[Russian Orthodox Church]] following the liturgical reforms of [[Patriarch Nikon]] in the second half of [[17th century]] ([[Old Believers]]). It is one of the two [[Old Believers]] churches that belong to the [[Belokrinitskaya Hierarchy]] - the other being its "Mother Church", the [[Orthodox Old-Rite Church]], sometimes also called [[Lipovan Orthodox Old-Rite Church]].