How To Establish Paternity When The Father Is Deceased?

by 2 October 2025Knowledge & Insights

How To Establish Paternity When The Father Is Deceased

Losing a partner is a harrowing experience, and it’s even more complicated when you’re left with questions about your child’s legal parentage.

If you’re wondering how to establish paternity when the father is deceased, please know that you’re not alone and there are legal pathways in Singapore to provide clarity and secure your child’s future. It might feel like a huge mountain to climb, but understanding the options can make the journey feel more manageable.

Option 1: The Scientific Route with a DNA Kinship Test

This is often the most direct and conclusive way to prove a biological relationship. Since a sample cannot be taken from the father, the process involves a kinship DNA test. This test compares the child’s DNA with that of the deceased father’s close blood relatives.

Who Are the Best Relatives to Test?

For the most accurate results, the closest relatives are needed. The ideal candidates are the deceased man’s parents (the child’s potential grandparents). Comparing the child’s DNA to both grandparents allows a lab to reconstruct the deceased father’s genetic profile with near certainty.

If the grandparents are unavailable, the deceased’s full siblings are the next best option. Because they share roughly half of their DNA with their brother, their genetic markers can also provide a very strong statistical link to the child.

How the Process Works

The process begins by seeking voluntary consent from the relatives. This is always the preferred first step, as it is quicker and avoids conflict. If they agree, a simple and painless buccal (cheek) swab is collected from each participant: the child, the mother, and at least one paternal relative.

An accredited laboratory then analyses these samples to calculate the statistical probability of a biological relationship. A conclusive report will show a high probability (often over 99%) if a relationship exists, providing powerful evidence for the Court.

What If Relatives Refuse to Cooperate?

It is a difficult but common situation when a deceased man’s family is unwilling to help. This does not mean it’s the end of the road. Your lawyer can make a formal application to the Court for an order to compel the necessary relatives to provide a sample.

The Court’s primary consideration in these matters is always the child’s welfare. If a relative defies a direct Court order, the judge can draw an “adverse inference,” meaning they can legally assume the refusal was a tactic to hide a positive DNA match.

 

Option 2: The Direct Route with Post-Mortem DNA Samples

Option 2 The Direct Route with Post-Mortem DNA Samples

In some situations, it may be possible to collect a DNA sample directly from the deceased. This is a more complex and legally intensive process, but it removes all doubt by offering direct proof of paternity.

Viable Biological Samples

The type of sample available depends heavily on how recently the father passed away and the condition of the remains. If he passed away recently (often within a week or so), a coroner or medical examiner may be able to collect viable DNA from hair follicles (with the root attached), fingernail or toenail clippings, or preserved blood and tissue samples.

If the father has been buried for some time, a bone fragment (usually from the femur or humerus) can be used for DNA extraction. This, however, requires a legal order for exhumation, which is a significant undertaking.

Using Personal Items

An alternative, though less reliable, method involves extracting DNA from personal effects the deceased used exclusively. Items like a toothbrush, electric razor, or even a used handkerchief may contain trace amounts of DNA.

The success of this method is not guaranteed, as the quantity and quality of the DNA can be very low, making it difficult for a lab to create a full profile.

The Necessary Legal Process

This direct route is not something a family can undertake on their own. It requires strict legal authorisation to proceed. You must work with a lawyer to apply to the Court for permission to have a sample collected, whether from a morgue or through exhumation.

The Court will require a compelling reason to issue such an order. This process can be lengthy and, in the case of exhumation, very costly due to the expenses of the procedure, forensic testing, and reburial.

 

Why Taking These Steps Is So Important

Why Taking These Steps Is So Important

Going through this process is about much more than just getting a name on a piece of paper. Establishing paternity is a foundational step for your child’s future and provides them with essential legal rights.

Once the Court issues a declaration of paternity, you can:

  • Update the Birth Certificate: Formally add the father’s name to your child’s birth records.
  • Claim Inheritance: Your child will be legally entitled to a share of the father’s estate, whether he left a will or not.
  • Secure Financial Support: You can make a claim for maintenance for the child from the deceased father’s assets.

 

Conclusion About Establishing Paternity When The Father Is Deceased

Navigating the legal system while grieving is a heavy burden to carry. Knowing how to establish paternity when the father is deceased is the first step, but having the right support makes all the difference. The team at Tembusu Law is here to guide you with compassion and expertise.

If you need help securing your child’s future, contact the best family and divorce lawyer in Singapore for a consultation today.

 

Frequently Asked Questions About Establishing Paternity When The Father Is Deceased

How Long Do I Have To Establish Paternity After The Father’s Death?

There is no strict time limit in Singapore to apply for a declaration of paternity. However, it is always best to act as soon as possible, especially if you intend to make a claim against the deceased’s estate, as there are time limits for inheritance claims.

What If The Deceased’s Family Is Uncooperative?

If the father’s relatives refuse to consent to a DNA test, your lawyer can help you apply to the Court for an order compelling them to provide a sample. The Court will consider what is in the best interests of the child when making its decision.

Can I Still Claim Maintenance From His Estate?

Yes. Once paternity is established by the Court, the child is considered a legal dependent of the deceased. This means you can make a claim for reasonable financial provision from the deceased’s estate on behalf of your child under the Inheritance (Family Provision) Act.

What Is The First Step I Should Take?

The first step is to seek legal advice from a family lawyer. They can explain your options, advise on the best course of action based on your circumstances, and guide you through the necessary legal applications.

How Much Does It Cost To Establish Paternity?

The costs can vary significantly. A kinship test with cooperative relatives is the most affordable option. Costs increase if Court orders are needed or if exhumation is required, which can be very expensive. A lawyer can provide you with an estimate of the potential fees.

About the author

About the author

Tembusu Law

Jonathan is the Founder and Managing Director of Tembusu Law. He is also the founder of LawGuide Singapore, a prominent legaltech startup which successfully created and launched Singapore’s first legal chatbot in 2017.

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