Daniel

Daniel 9:25

25Know therefore and understand, that from the going forth of the command to restore destroy and to rebuild Jerusalem1 until Messiah the Prince will be seven weeks, and threescore and two2 weeks jubilees3: the street will be built again and the wall but in troublous times4.
Translation Notes

12 Baruk 6:7–10.

27 + 60 +2 = 69

3The Messiah, i.e. David the King, returns one jubilee (50 years) before Jerusalem is restored.

4Gog and Magog? See Ezekiel 38–39.