He gives twelve estates, six in Deira, six in Bernicia; each consists of the possessions of ten families.
On the invasion of William, as we have seen, it was in the possession of Edwin, sovereign of Deira.
Danish Northumbria or Deira comprised the lands to the west of the Pennines.
In the old Deira or modern Yorkshire was a separate Danish kingdom.
His children fled over the western border to find refuge among the Welsh, and thelric of Bernicia entered Deira in triumph.
Deira, however, seems to have retained its own individuality.
"Deira" (the land between the Tees and the Humber), said the merchant.
This colonisation of Deira by the Danes was soon followed in other districts.
With himself, the house of Deira now consisted of five male scions.
In Deira Oswin became king in succession to his father Osric.