The victims of a double homicide Sunday in Hatfield Borough were identified Tuesday by Montgomery County authorities.

Gretchen Viglione, 48, was killed in her home by a gunshot to the head. Her son, Robert Peploe, 28, who also lived in the house, was killed by multiple gunshot wounds, the Coroner's Office said.

Paul Marshall, 48, who owned the house, was found in the same room dead of a self-inflicted gunshot wound. His death was ruled a suicide.

Neighbors told 6ABC that Marshall and Viglione were engaged. A 27-year-old woman and her 4-year-old daughter also were in the house at the time of the shootings; they were unharmed. They were Marshall's daughter and granddaughter, 6ABC said.

Viglione worked for the First Student bus company and was from Woodbridge, Conn., according to her Facebook page.

Peploe was the father of a young daughter, according to his Facebook page. 610-313-8114