Under what circumstances can I follow my mother's native place?

Legal analysis: there is no mandatory law, and the place of origin can be paternal or maternal; Generally speaking, ancestral home refers to the place where ancestors lived for a long time, divided by region. Generally speaking, you can fill in grandpa's domicile.

Legal basis: Article 10 12 of the Civil Code.

Natural persons have the right to name, and have the right to decide, use, change or allow others to use their own names according to law, but they shall not violate public order and good customs.

Article 10 15 of the Civil Code.

A natural person should take his father's surname or his mother's surname, but in any of the following circumstances, he may choose a surname other than his father's surname or his mother's surname: (1) Choose the surnames of other immediate elders and blood relatives; (2) Choosing the surname of the supporter because of the support of a person other than the legal supporter; (three) there are other legitimate reasons that do not violate public order and good customs. The surnames of natural persons of ethnic minorities can follow their own cultural traditions and customs.