Original: As early as 1100, Bishopwearmouth parish included a small fishing village at the southern mouth of the river (modern day Hendon) known as 'Soender-land' (which evolved into 'Sunderland').
Simplified: Sunderland, at the mouth of the river was a small fishing village. By 1100, the Bishopwearmouth parish included a small fishing village at the mouth of the river (modern day East End) known as 'Soender-land' (which changed into 'Sunderland').