A more thorough explanation:

Gener

A gener is a son-in-law according to Roman law.

1. In Roman times, a gener was expected to take care of his wife's parents as they aged.

2. The gener was often responsible for providing financial support to his wife's family.

These examples illustrate how a gener was an important member of the family in Roman times. They were expected to take care of their wife's parents and provide financial support, which shows the significant role they played in the family structure.