Apparently much hope lies heavily on Erkenbrand and the lords of the Westfold -- Grimbold, Elfhelm, and Dúnhere. The Hornburg needs strong arms to defend it, but Gandalf may need help finding Erkenbrand.
'If you wish to know about the state of things in Westfold, I am glad to tell you all that I know.
'Erkenbrand, the lord of Helm's Deep, took command of the ford after Prince Théodred fell. Elfhelm was with him, and Grimbold too -- Grimbold is the Thane of Grimslade, a town to the east.
'I do not know what happened at the Fords of Isen, but I do know that all of Westfold braces for war and awaits news of the scattered lords, for enemies of Isengard now roam free. They march here even now as we speak.
'If Erkenbrand and the others can get here, we have a chance to survive. If they do not....' Gamling trails off.