Lancashire police said Miss Marsden's family had been given the post-mortem results and specially trained officers were continuing to support them.
Post-mortem examination results presented at the opening of the inquest in September revealed that the couple had drowned.
Further tests will be carried out on a man who died while suffering from measles after post-mortem examination results were inconclusive.
Meanwhile further tests will be carried out on a man who died while suffering from measles after post-mortem examination results were inconclusive.
Provisional post-mortem examination results show both died of gunshot wounds.
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Results of post mortem tests are expected to be announced on Friday.
After reviewing the results of his post mortem examination, the doctors said the child's adoptive parents had done nothing wrong.
Detectives investigating the deaths of three young children found at a house in Suffolk are awaiting the results of post-mortem examinations.
Tests have revealed he had measles but results of a post mortem examination are expected to determine the exact cause of death.
Sussex Police said they would not be able to release further information about the inquiry until results of a post mortem examination being held on Tuesday were known.
Results of a post-mortem examination to establish the cause of her death are due later.
On Wednesday, the Israeli health ministry released the results of a post-mortem examination on Abu Hamdiyeh.
The results of a post-mortem examination revealed Mrs Smith had died from a single stab wound, as did baby Aron.
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They are still waiting for the results of a post-mortem examination which was carried out in India and said they were "devastated" the organs were still missing.
According to preliminary results of a post-mortem examination released this month, the child died accidentally from a torn artery in his abdomen and had bruises consistent with injuring himself.
The results of a post-mortem examination are expected shortly.
Ms McConnell added that post-mortem examinations had been conducted and cause of death was awaited, as were toxicology results.
Post-mortem tests have been carried out on hundreds of the dead birds by the BTO and the results are due to be published within the next few weeks.
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