Marcellina
Martyrological notice
The historical Roman Martyrology commemorates Marcellina on 17 July. The Latin notice identifies the record as bishop and virgin. The source places the commemoration at Mediolani.
Historical martyrology witness · Martyrologium Romanum (Latin historical edition)
Mediolani sanctae Marcellinae Virginis, sororis beati Ambrosii Episcopi, quae Romae, in Basilica sancti Petri, a Liberio Papa velum consecrationis accepit; cujus etiam sanctitatem idem beatus Ambrosius scriptis suis testatam facit.