These political divisions may reflect the varying ethnic make-up of the leadership of Kent at that time, the difference being between the Jutes who settled in the east and south of the county shortly after the Roman armies' departure early in the 5th century and the Angles and Saxon who may have settled in the west of the county slightly later, or simply a divided, decentralized Jutish kingdom. Modern DNA testing suggests the people of Kent have a greater genetic affinity with each other than persons from other counties in England.[https://www.telegraph.co.uk/science/2016/03/14/britons-still-live-in-anglo-saxon-tribal-kingdoms-oxford-univers/]