A man has appeared in court charged with murder after the disappearances of Bennylyn Burke and her two-year-old daughter, Jellica.
Andrew Innes, 50, from Dundee, made no plea when he appeared at Dundee Sheriff Court on Monday.
The 50-year-old had been arrested and charged with murder in connection with the two deaths and remanded in custody.
Officers are still searching for their bodies.
The 25-year-old mother and two children were reported missing from their south Gloucestershire home on Monday March 1, having been last seen on February 17.
A second child has been found and is being supported, according to police.
Avon and Somerset Police released an appeal for information on Wednesday.