This test will provide a probability of relationship. It cannot give a conclusive answer as samples are not available from both parents. The test is much stronger if both parties have the same mother and she is willing to be tested.
Maximum of 3 weeks from receipt of samples to DNA Ireland.
€449 for private test
€599 for legal test
This test will not give a conclusive answer as to whether they are siblings, only a probability.
The results will typically not hold up in court because the results are not conclusive.