Genesis 49:10 The scepter will not depart from Judah, nor the ruler's staff from between his feet, until he to whom it belongs shall come and the obedience of the nations shall be his.
It is prophesied that Messiah will come from the tribe of Judah. The Lord Jesus came from the tribe of Judah. Luke 3:33 the son of Amminadab, the son of Ram, the son of Hezron, the son of Perez, the son of Judah. We can know who THE Messiah is by the prophecies in the Bible. Be thankful for prophecies which help us know who THE Messiah is.