Portuguese Nationality for a Minor with a Portuguese Grandfather or Grandmother (Nacionalidade portuguesa para menor com avô ou avó português)
Blank form to apply for nationality for a minor under 18 who is descended from a Portuguese grandfather or grandmother, with help filling it in.
Official form: Modelo 1D · Instituto dos Registos e do Notariado
What it is for
- Applying for Portuguese nationality for a child or young person who is the grandchild of a Portuguese citizen
- Starting the process on behalf of a minor represented by their parents or guardians
What it is
This is IRN Form 1D in the version for minors. It identifies the child, their representative and the link to the Portuguese grandfather or grandmother. It does not correspond to the application for children of Portuguese citizens, and the form does not guarantee that nationality will be granted.
What you receive
You receive the official blank PDF form, with an explanation of what it is for. The Titus assistant answers your questions about filling it in. You can combine it with other documents in the same request, with a single payment. We do not ask for any password for forms.
The assistant explains; it does not fill in or submit anything on your behalf. Do not type passwords or third parties' data.
Things to note
The form is supplied unfilled, and signatures must be given by whoever the form specifies. Please check with the registry office which supporting documents are needed in your case. Titus Docs does not submit the application or ensure that it will be accepted.
Frequently asked questions
Who fills in the form for a minor?
Their legal representative. The Titus assistant can explain what each field asks for, but filling in and signing the form remain your responsibility.
What changes when the young person turns 18?
They then apply themselves, using the form for adults.
Related documents
Blank form for an adult to apply for Portuguese nationality as the descendant of a Portuguese grandfather or grandmother. Comes with a filling-in guide.
Portuguese Nationality for a Child or Young Person Born Abroad to a Portuguese Parent (Nacionalidade portuguesa para criança ou jovem nascido no estrangeiro com progenitor português)Blank form to apply for Portuguese nationality for a minor under 18, born outside Portugal, whose mother or father is Portuguese.
Text reviewed in November 2026.