Worldwide, Рейхнер (Рейхнер , Reikhner , Reihner ) is an extremely rare unknown gender first name. Predominantly, Рейхнер is the last name as well as the forename.
Reichner, and Reyhner
Петр, Галина, Алексей, Наталья, Василий, Татьяна, Катерина, and Екатерина