Carlos Miguel Fitz - James Stuart died aged 41 on 7 October 1835 , in Sion , Switzerland .
Carlos Miguel Fitz - James Stuart was succeeded as Duke of Alba on that year by his eldest son .
Carlos Miguel Fitz - James Stuart died aged 41 on 7 October 1835 , in Sion , Switzerland , and was succeeded as Duke of Alba on that year by his eldest son .