The Kingdom of Northumbria ( ; Old English: ; ) was a medieval Anglian kingdom in what is now Northern England and south-east Scotland.
The Kingdom of Northumbria (Old English: ), was a medieval kingdom of the Angles, in what is now northern England and south-east Scotland.
The Kingdom of Northumbria (Old English: ), was a medieval kingdom of the Angles, in what is now northern England and south-east Scotland.
Make the sentence simpler: The Kingdom of Northumbria ( ; Old English: ; ) was a medieval Anglian kingdom in what is now Northern England and south-east Scotland. Output: