Article continues below advertisementPrince William turned to the Almighty above once he learned about Kate Middleton and King Charles III's cancer battles, according to a new book.Royal biographer Robert Jobson's new book The Windsor Legacy, explores how the Prince of Wales, 43, was "shaken to the core" regarding his wife and father's health issues.As a result, William and Kate both "became more religious" to help deal with their sicknesses.Article continues below advertisementPrince William Heads to ChurchSource: MEGAPrince William has been praying more frequently in recent months.