king William and his sonne, had doone much hurt by forraies vpon the
English borders, wasting all Northumberland euen to the riuer of Tine.
Howbeit, when he heard that Robert approched with his armie towards
him, he retired into Scotland. [Sidenote: The foundation of New
castell upon Tine, which before that season was called Moncaster.]
Robert Curthuze then lodged with his armie vpon the banks of the riuer
of Tine, where he began the foundation of a castell, whereof the towne
Newcastell did after take both beginning and name, for before this
season it was called Moncaster.

About the same time, Odo the bishop of Bayeux was sent to
Northumberland, to reuenge the death of Walkher bishop of Durham, whom
not long before the people of Northumberland had slaine in a tumult.
[Sidenote: _Simon Dun._] The occasion of his death grew by the death
of one Liulfus, a noble man of those quarters, and déerelie beloued of
the people, bicause he was descended of honorable parentage, and had
married the ladie Algitha daughter vnto earle Alered, and sister to
Alfleda the mother of earle Walteof.

This Liulfus, a man of great possessions through England, now that the
Normans ruled in all places, quietlie withdrew himselfe vnto Durham, and
grew into such familiaritie and credit with the bishop, that touching
the order of temporall matters, he would doo nothing without his aduice.
Whereat Leofwin the bishops chapline conceiued such enuie (for that he
was not so often called to counsell as before) that in the end he
procured by his malicious meanes one Gilbert (to whom the bishop had
committed the rule of the earledome) to murther the said Liulfus by
night in his manor place not farre from Durham. Whereof the bishop
hauing vnderstanding, and knowing that the matter would be gréeuouslie
taken of the people, sent out letters and messengers into the countrie,