Police have named a woman who was found dead at her home in Hunwick, near Crook in County Durham as 48-year old Lesley Caile.
Her body was discovered by officers on Christmas Eve at 11.15 am.
A 46-year old man was found with injuries in the same house and was airlifted to James Cook University Hospital in Middlesbrough. Police have described his condition as stable and are waiting to interview him. He has been arrested on suspicion of murder.
Lesley Caile had two children and three grandchildren. She was employed by Durham County Council's children's and young people's services department.
Durham Police are appealing for anyone with information to contact them on 101, or they can call Crimestoppers on 0800 555 111.