'Unto' in the Bible

In the second year of Darius the king, in the sixth month, in the first day of the month, came the word of the LORD by Haggai the prophet unto Zerubbabel the son of Shealtiel, governor of Judah, and to Joshua the son of Josedech, the high priest, saying,

Ye looked for much, and, lo, it came to little; and when ye brought it home, I did blow upon it. Why? saith the LORD of hosts. Because of mine house that is waste, and ye run every man unto his own house.

Then spake Haggai the LORD'S messenger in the LORD'S message unto the people, saying, I am with you, saith the LORD.

And again the word of the LORD came unto Haggai in the four and twentieth day of the month, saying,