The de Erlegh family took its name from the manor of Erley, Earley or Erle, sometimes called Earley Whiteknights, in the parish of Sonning, Berkshire, England [8,p.47,56,70].
Their holdings in Berkshire included, at various times, the manors of Erley Regis (Whitenights) and Maiden Erley in the hundred of Sonning, the manors of Charlton, South Denchworth, and Cleets in the hundred of Wantage, the manor of Midgham in the hundred of Reading and the manor of Barkham in the hundred of Charlton.
In the Doomsday Book, the manor of Erley (Herlei) is assessed at 4 hides.
