Persis
Easton's Dictionary
A female Christian at Rome whom Paul salutes (Rom. 16:12). She is spoken of as “beloved,” and as having “laboured much in the Lord.”
Smith's Dictionary
(a Persian woman), a Christian woman at Rome, (Romans 16:12) whom St. Paul salutes. (A.D. 55.)
International Standard Bible Encyclopedia
pur'-sis (Persis): The name of a female member of the Christian community at Rome, to whom Paul sent greetings (Ro 16:12). Paul designates her "the beloved, who labored much in the Lord." The name is not found in inscriptions of the imperial household, but it occurs as the name of a freedwoman (CIL, VI, 23, 959).