Legal Age for Marriage: 12 for Girls, 14 for Boys
A Roman girl could be legally married at age twelve—sometimes younger in practice.

Unknown — "Idealized Head" (50 BCE–100 CE), CC0
Child Brides in Ancient Rome
A Roman girl could legally marry at age twelve—even earlier if puberty arrived. Inscriptions, tombs, and child-sized wedding rings show some weddings happened before most modern birthday parties.
The Law versus Daily Life
By Roman law, twelve was the line for girls, fourteen for boys. Elite families arranged matches even earlier, sealing political alliances. Not every family followed the rules to the letter, but the pressure to marry (and marry well) started shockingly young.
Girlhood, Adulthood—All at Once
A twelve-year-old Roman bride could be managing slaves, property, and household affairs before she was a teenager. Childhood ended at the altar.
Roman law set the minimum marriage age at twelve for girls, fourteen for boys. Elite families sometimes arranged engagements for much younger children, but the formal wedding ceremony usually waited for these thresholds. Archaeological finds of child-sized jewelry and inscriptions support that some Roman brides entered adulthood shockingly early—by today’s standards, still children themselves.