why did princes son die

prince's and mayte's their son Boy Gregory died just a week after birth due to Pfeiffer syndrome, a rare defect of the skull.

Boy Gregory died at the age of 1 week old from the rare genetic disease, Pfeiffer Syndrome. The reason he died because of this disease, is because he had a skull defect caused 由 this disease and it pushed his skull inward, crushing his brain.