Analysis of information sources in references of the Wikipedia article "Yəhya xan" in Azerbaijani language version.
The promotion was all the more remarkable given that Yahya was a Shia in the predominantly Sunni officer corps.
Pashtuns (the community from which hailed the country's first four commanders-in-chief from Ayub Khan to Yahya Khan and Gul Hassan Khan, with the exception of Mohammad Musa)
A burly, double chinned, bushy-browed slothful Yahya Khan was, like Ayub Khan, an ethnic Pashtun.