The family of a well‑known Irish farmer has frozen the administration of his €5.5 million estate amid a dispute with the woman he married a day before he died, court records and reports show.

Joseph (Joe) Grogan, 75, died at his home in the village of Screggan, County Offaly, on April 15 after marrying Lisa Flaherty, 51, at a registry office the previous day. The couple’s brief marriage and the circumstances of Grogan’s death have prompted a three‑day inquest and a legal contest over ownership and control of the farm Mr Grogan owned.

At the close of the inquest on July 16, coroner Raymond Mahon recorded a narrative verdict, saying Mr Grogan’s death was likely the result of an infection associated with his cancer, effects of chemotherapy, damage to his immune system and significant weight loss. The coroner noted that the inquest provides an account of circumstances rather than a formal medical cause of death.

Mr Grogan had been diagnosed in January with stage‑4, high‑grade non‑Hodgkin’s lymphoma and had been undergoing treatment. Testimony at the inquest included evidence from his oncologist that his cancer had been responding to therapy. A pathologist who examined him told the court that cancer itself and organ failure were not determined to be the cause of death.

Relatives of Mr Grogan, however, have questioned the timing of events surrounding his final days. Three first cousins — identified in court papers as Alo, Margaret and Seán — sought to have an unlawful‑killing verdict considered. Their barrister, Damien Tansey, told the coroner it was open to record such a verdict “which could arise from omission or commission,” and said the period between the end of Mr Grogan’s fourth round of chemotherapy, on April 5, and his death on April 15 was of particular concern.

Counsel for the cousins said there was only “hurriedly and secretly” arranged marriage during that ten‑day window and asked whether Mr Grogan had received proper medical intervention. The relatives have applied to freeze administration of the estate, including a 230‑acre farm in Screggan, while disputes continue.

Ms Flaherty, who had been described in media reports as Mr Grogan’s carer, has strongly rejected suggestions she engineered his death. She repeatedly broke down in court during the inquest and was at times required to leave proceedings, according to reports. Her lawyers said she had been unfairly criticised and had been “hauled over the coals” during the hearings.

The coroner heard that Mr Grogan’s body was embalmed within hours of his death, a step noted as limiting the ability of a pathologist to test for drugs in his system. Pathologist Charles d’Adhemar told the court that if the three medications Mr Grogan had been prescribed were not administered correctly they could depress respiratory and nervous system function, but embalming made certain definitive testing impracticable.

Coroner Mahon dismissed calls from the Grogan cousins’ counsel for a separate, more extensive gardaí forensic investigation before he reached his decision. The narrative verdict does not assign blame but lists the most likely contributing factors outlined by medical evidence presented at the inquest.

The dispute over the farm and the estate has divided the small Screggan community, a rural locality of about 100 homes and a handful of local businesses. Mr Grogan was a prominent figure in the farming world, having hosted the National Ploughing Championships between 2016 and 2018. Reports say Ms Flaherty has been managing the farm since Mr Grogan’s death and has been involved in organising this year’s National Ploughing Championships there.

Friends of Ms Flaherty told national newspapers the relationship between the two was longstanding and complicated. Some said Ms Flaherty and Mr Grogan had known each other since she was young and that he had been a father figure to her children; others described her as devoted to his care. The Grogan family has said the marriage was a “sham” and has accused Ms Flaherty of having financial motives, using language that included references to a “gold digger.”

Legal representatives for both sides presented conflicting narratives at the inquest. The cousins’ barrister emphasised the suddenness of Mr Grogan’s death and the limited medical intervention in the crucial ten days; Ms Flaherty’s lawyers stressed the court testimony and evidence that Mr Grogan was being treated for cancer and had been receiving care.

Mr Grogan was an only child from a large extended family and had inherited the farm from his father. Media reports note he also received significant compensation when part of his land was compulsorily purchased for a road project. The value of his estate has been reported at approximately €5.5 million.

With administration of the estate frozen, the legal dispute is expected to continue. The coroner’s narrative verdict and the record of the inquest outline medical findings and the sequence of events but do not settle competing civil claims over the estate or criminal allegations suggested by the relatives’ counsel. Any further court actions or investigations by authorities could determine the next steps in the contest over the property and the estate.