Russian
регулярные клирики Portuguese
clérigos regulares Catalan
orde de clergues regulars Spanish
religioso 
Catholic priests, deacons and bishops, member of a religious order.
1
The Society of Jesus is one of the orders of clerks regular.
2
Father Ramon Ruiz-Sanchez, late of Peru, and always Clerk Regular of the Society of Jesus, professed father of the four vows, continued to read.