A middle-aged daughter who suffocated her terminally-ill 88-year-old father with a pillow as an act of mercy has admitted his manslaughter . Dr Lisa Davenport appeared before a High Court judge on Thursday to plead guilty to manslaughter as an alternative to the murder charge she was facing following the death of her cancer-stricken father Barrie Davenport. The court was told Davenport, 55, gave her dad "devoted care" but, when his pancreatic cancer reached advanced stages, she killed him to