Born in Birmingham, the wing half joined City from Stafford Rangers in 1950 and played for the club for 11 years, winning the FA Cup final in 1956 and taking over the captaincy the following year.
After leaving for Wrexham in 1961, he returned to City a decade later, taking on roles as coach, assistant manager and chief scout before finally leaving Maine Road in 2000.
Barnes, whose son Peter played for City and England, also oversaw the development of the FA Youth Cup-winning team in 1986.
City life president and secretary Bernard Halford told www.mcfc.co.uk: "Ken was a true Manchester City man in every sense and his passing is a dreadful loss to the club and to all those who had the pleasure of knowing him."
Source: PA
Source: PA