In ancient Rome, the legally acceptable age for marriage for girls was twelve. Although in middle-class Roman society, the most common age of first marriage for a girl was mid-to-late teens, evidence also shows that in a section of elite society, marrying off daughters at twelve or sometimes earlier was not uncommon. Traditionally, the father, the paterfamilias, and his family council arranged the marriage.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/2675/roman-girls-and-marriage-in-ancient-rome/.