The phrase "a relative confirmed" is correct and usable in written English.
It can be used in contexts where you are referring to a family member or someone related to you who has verified or affirmed something.
Example: "After much discussion, a relative confirmed that the family reunion will take place next month."
Alternatives: "a family member verified" or "a relation affirmed".
The leader of an ethnic minority known as the Qizilbash, Nasir Ahmad Latifi, was killed by bullet wounds to his chest, a relative confirmed later.
A relative confirmed his death and said his loved ones were "devastated". His sister and niece suffered non-life-threatening gunshot wounds in the attack, according to news reports.
Two sets of skeletal remains found in Victorville this week have been identified as members of the missing McStay family, who mysteriously vanished from their San Diego County home in February 2010, a relative confirmed to The Times.
Finally, it did: a relative confirming dinner.
The Microtus 91001 strain is the closest branch 1 and branch 2 relative confirmed to be non-pathogenic to humans16, hence genetic changes may represent contributions to the pathogen's adaptation to a human host.
In addition to the patient's own experience of cognitive problems a couple of years prior, during her occupation as a nurse, relatives confirmed difficulties with memory, both at work and at home.
Mr. Sarkozy told them he was opening a formal judicial manslaughter inquiry into the deaths, Jean-Pierre Mignard, a lawyer for the relatives, confirmed in a telephone interview.
Questions about the origin of the undated clip and the anomalies in it raised doubts about its authenticity, but colleagues and relatives confirmed that a masked figure with long hair and a scruffy beard appeared to be Mr. Tice, 31, a former Marine whose work has been published in McClatchy Company newspapers, The Washington Post and other news outlets.
Romero-Muniz was a discipline secretary at Miyamura High School, relatives confirmed.
Relatives confirmed that the men had agreed a pact – and hired an accountant – to withhold some parts of their story and to pool income from media interviews.
Relatives confirmed that the woman they saw on TV was indeed her, said Nadim Houry of Human Rights Watch.
