'Families of the Earth' in the Bible

And I will bless those who bless thee, and he who curses thee I will curse. And in thee shall all the families of the earth be blessed.

And thy seed shall be as the dust of the earth, and thou shall spread abroad to the west, and to the east, and to the north, and to the south. And in thee and in thy seed shall all the families of the earth be blessed.

You only I have known of all the families of the earth. Therefore I will visit upon you all your iniquities.

And it shall be, that of the families of the earth he who does not go up to Jerusalem to worship the King, LORD of hosts, upon them there shall be no rain.