 She purchased a small house which she converted into a combination of rest home, hotel and hospital.Cubah became so well known for her treatment of the sick that in 1780 when Horatio Nelson, then a captain, fell ill with dysentery during an expedition to Nicaragua, he was taken to her by Admiral Parker, the commander-in-chief of the Royal Naval forces in Jamaica.Later she was entrusted with the treatment of Prince William Henry, later William IV when he was stationed in the West Indies.