'For Us' in the Bible

and saith, 'Whose daughter art thou? declare to me, I pray thee, is the house of thy father a place for us to lodge in?'

he saith also, 'Lo, I have heard that there is corn in Egypt, go down thither, and buy for us from thence, and we live and do not die;'

and it cometh to pass, when they have finished eating the corn which they brought from Egypt, that their father saith unto them, 'Turn back, buy for us a little food.'

and our father saith, Turn back, buy for us a little food,