DNA Sibling testing (WhoisBrotherhood)

DNA Sibling testing (WhoisBrotherhood)

Sibling testing can help you find your biological brothers and sisters. Whether there is an adoption or a family torn apart, or any other reason, a sibling testing can check if two or more persons are full- or half-siblings. This test is more complex as DNA transmittance is not direct between siblings and results depend on the structure of your family genealogy tree, i.e. living ancestors and descendants. Please contact us so that we can best understand your needs and suggest the suitable number of participants.

Sibling DNA testing determines if two individuals share one or both parents. DNA Testing with a possible brother or sister can help answer paternity questions when the possible father is not available to be tested.

Half siblings share one parent. For example, a brother and a sister may share the same mother, but not the same father. Or, two sisters may share the same father, but not the same mother.

Persons tested: Alleged Siblings and their mothers optional    

Is this your case?

Two females that want to test if they have the same father - recommended test: X chromosome testing (WhoisX-STR)

Two males that want to test if they have the same father – recommended test: Y chromosome testing (WhoisY-STR)


For your peace of mind and deeper bonding with your family members, order now your saliva sampling kit.

-          International standards applied to all analyses guarantee reliability of the results.

-          WhoisDNA scientific stuff guarantees confidentiality of all information filled in by the client.

-          Results are ready within 3 or 7 working days.

-          Receive the results (Expert report) by email or by regular mail

Analysis Sibling testing includes Alleged Sibling and their mothers*
*the price include cheek swab samples
Alternative Sample
+100per sample
Express Analysis 2 days
Send result in paper
Describe the case (Known relationship of participants, question, etc)
Total Cost

All prices include VAT as well as postage of home collection kit