Alfred 's only son , also named Alfred , committed suicide in 1899 , so when Duke Alfred died in 1900 , he was succeeded by his nephew , Charles Edward the Duke of Albany , the sixteen-year-old son of Queen Victoria 's youngest son , Leopold . Alfred 's only son , also named Alfred , committed suicide in 1899 , so when Duke Alfred died in 1900 , he was succeeded by his nephew the Duke of Albany , the sixteen-year-old son of Queen Victoria 's youngest son , Leopold .