This document discusses the different types of persons under law - natural and artificial/juridical. Natural persons are human beings, while juridical persons are legal entities like corporations or organizations granted legal status. It outlines factors that affect a person's legal rights and duties like age, sex, marriage status, mental capacity. Juridical capacity refers to a person's ability to have legal standing, while capacity to act means ability to perform legal acts. The document also discusses how states, circumstances like insolvency or trusteeship can impact a person's civil personality or legal recognition.