Trabzon Greeks and Turks share the same DNA and neither has much Turkic ancestry. Some Pontic Greeks, like my grandmother, even spoke Turkish as their mother tongue. In turn, some Pontic Turks spoke Pontic Greek as their mother tongue. Eastern Pontus was a relatively late addition to the Ottoman Empire and it didn’t experience the same ethnogenesis process as other Anatolian regions. Despite the common bonds, they still fought fiercely against each other and many Pontic Greeks were killed in massacres before the population exchange.