A father accused of murdering his three-year-old son was trying to rid him of aliens and demons before paramedics found the boy dead, a court has been told.

The allegations were made by police during a bail hearing for the man's wife in the Brisbane Magistrates Court on Friday.

Former Kenyan politician Quincy Timberlake. Credit:Facebook

Esther Adongo Timberlake, better known as Esther Arunga in her home country of Kenya, is charged with accessory after the fact to murder.

Her husband Quincy Timberlake, also 34, has been charged with murder over the boy's death. He is a former Kenyan presidential hopeful.