Michael Ives, 48, and his wife Kerry Ives, 46, have been jailed for life at Mold Crown Court with minimum terms of 23 years and 17 years respectively for the murder.
Michael Ives, 47, denied he or his wife Kerry Ives, 46, inflicted a severe head injury on Ethan Ives-Griffiths before he collapsed at their home in Flintshire, north Wales.
Michael Ives, 47, and Kerry Ives, 46, are on trial accused of murder, causing or allowing the death of a child and cruelty to a child - which they deny.