An inquest is due to open into the death of Liam Hogan, the six-year-old boy from Bradley Stoke, near Bristol, who died while on holiday on Crete.
Liam's funeral will be held on Tuesday 29 August
Liam was killed when his father fell with him and his younger sister Mia from a fourth floor balcony at the Petra Mare Hotel in Ierapetra.
The coroner's sitting at Flax Bourton will investigate what caused his death.
John Hogan, 32, remains in hospital on Crete under police guard with a broken arm and leg and chest injuries.
In a new statement, his wife Natasha said her husband was not drunk at the time of the incident, and that he had always been a caring father.
"On the day in question, John was sober having consumed no alcohol. His action is felt to have been completely out of character for the caring father that he was to both Liam and Mia," the statement said.
The Foreign Office has said Mr Hogan will be arrested on suspicion of the murder of his son and the attempted murder of his daughter when he has recovered sufficiently.
Liam's funeral service is due to be held at the Holy Trinity Church Bradley Stoke on Tuesday 29 August.