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Does a Mother Have the Right to Her Son’s Inheritance? Understand What the Law Says About Succession in Brazil

Written by Ruth Rodrigues
Published on 03/09/2025 at 15:51
Mãe tem direito à herança do filho? Entenda o que diz a lei brasileira, em quais casos a mãe herda, como funciona a ordem de sucessão e o processo de inventário
Mãe tem direito à herança do filho? Entenda o que diz a lei brasileira, em quais casos a mãe herda, como funciona a ordem de sucessão e o processo de inventário. Imagem: O tempo
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Does a Mother Have the Right to Inherit from Her Son? Understand What Brazilian Law Says, In Which Cases the Mother Inherits, How the Order of Succession Works, and the Inventory Process.

The death of a family member is always a difficult moment, but besides mourning, many families face legal uncertainties. Among the most common questions is whether the mother has the right to inherit from her deceased son, especially in cases where there are other heirs, such as a spouse or direct descendants.

In Brazil, the answer depends on the family structure at the time of succession and the rules established by the Civil Code.

Succession Rules: When the Mother Can Inherit from the Son

Succession law is the set of rules that governs who inherits the assets left by a person after their death. In Brazil, succession can occur in two ways: by law or by will.

In the case of legitimate succession, the law establishes a priority order to avoid disputes and ensure that the estate is allocated to the closest family members.

In a will, the deceased can freely choose the destination of up to 50% of their assets, respecting the so-called necessary heirs.

Who Inherits First? Understand the Order of Priority in the Civil Code

The Brazilian Civil Code defines a clear hierarchy: first the descendants (children, grandchildren, and great-grandchildren), then the ascendants (parents and grandparents), and finally, the surviving spouse.

This means that the mother only participates in the inheritance of the son when there are no descendants or spouse.

In this situation, she becomes a necessary heir, entitled to a share equal to that of the father.

If only the mother is alive, the entire estate is transferred to her.

Legitimate or Testamentary Inheritance: Differences That Affect the Mother’s Rights

When there is no will, legitimate succession applies, following the order set forth by law.

In this case, the mother only receives the inheritance from the son if there is no spouse or descendants.

However, in situations where there is a will, the mother may benefit regardless of the order of heirs, provided the portion allocated to her does not exceed 50% of the estate, respecting the so-called “legitimate” of the necessary heirs.

Practical Situations: In Which Scenarios the Mother Receives the Inheritance from the Son

In practice, the mother has the right to inherit from the deceased son only in specific cases:

  • When there are no children or surviving spouse: the inheritance is allocated to the parents in equal shares.
  • When only the mother is alive: she receives the entirety of the assets.
  • When there are descendants or a spouse: the mother has no right to the inheritance, but can participate in the inventory as an interested party, mainly concerning debts or shared assets.

Step by Step for the Mother to Claim the Inheritance in the Inventory

For the mother to receive her entitled share, it is necessary to open an inventory — a mandatory process after a person’s death.

This procedure can be done judicially or at a notary’s office, depending on the situation.
Among the steps are:

  1. Assessment of the deceased’s assets and debts;
  2. Identification of all heirs;
  3. Distribution of the estate according to the law or will.

The mother must present documents such as the death certificate of the son and prove the family relationship.

Representation by a lawyer is mandatory to ensure that rights are respected.

The rules of succession may seem complex, but understanding the mother’s role in the inheritance of the son is crucial to avoid family conflicts.

In uncertain scenarios, the support of a lawyer specialized in succession law ensures that the process occurs fairly and transparently.

In summary, the mother only inherits the son’s assets when there are no descendants or surviving spouse.

In these circumstances, her participation is protected by law as a necessary heir.

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Ruth Rodrigues

Formada em Ciências Biológicas pela Universidade do Estado do Rio Grande do Norte (UERN), atua como redatora e divulgadora científica.

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