Liverpool icon Toshack previously spent two weeks on a ventilator in a Barcelona hospital after contracting Covid-19 and pneumonia.
he said, he had been “seriously ill”, adding: “When I think back on it now, it’s frightening.”
Despite the dementia diagnosis, Cameron says he still regularly receives great coaching advice from his father.
“I’ll talk to him about what we’re doing in Thailand and he still gives great advice,” he said.
“As a manager, he could always see two or three moves ahead, and it was always in the genes for me, really.”
John Toshack began his playing career with hometown club Cardiff City before joining Liverpool in 1970.
He formed a lethal strike partnership with Kevin Keegan and won three league titles, two Uefa Cups, one FA Cup, one European Cup, a Charity Shield and a Uefa Super Cup during a glittering eight-year spell with the Reds.
The Welshman joined Swansea City as player-manager in 1978 and famously led the club from the Fourth Division to the First with successive promotions, as well as three Welsh Cup titles.
He won trophies in five of the eight different countries in which he managed – including two spells with real Madrid – with his most recent role coming with Tractor in Azerbaijan in 2018.
Toshack was also pivotal in the development of Welsh stars including Gareth Bale, Aaron Ramsey and Joe Allen during his second stint in charge of Wales.