Two-year-old with heart condition died after 'suddenly and unexpectedly' deteriorating Blake Llewellyn, two, from Rhymney, was rushed to Prince Charles Hospital in January 2019 after falling ill but could not be saved Blake Llewellyn, two, died at Prince Charles Hospital (Image: Media Wales Ltd) A two-year-old boy who suffered with a heart condition died after he "suddenly and unexpectedly deteriorated" at his home, an inquest heard. A hearing at Pontypridd Coroners' Court on Wednesday was told Blake Llewellyn, two, had a congenital heart disease. In the weeks leading up to his death on January 24, 2019, Blake was said to have been unwell and his parents said he had grown lethargic.