Detective Inspector Kev Broadhead from Nottinghamshire Police said:
"“Formal identification has yet to be confirmed, but at this stage we do believe we have found Elizabeth.
"It’s a tragic conclusion to the inquiry and one we were all desperately hoping we would not have to face."
More top news
The mother, her husband and their son were found stabbed at their home in Stourbridge shortly after 8am on Thursday.
Cloud clearing, then a dry, bright and warm day.
Ending warm with some sunshine.