Jeremiah 31:7

Israel : a citizen of Israel.,a member of the nation of Israel

Jacob : the second so of a pair of twins born to Isaac and Rebeccaa; ancestor of the 12 tribes of Israel,the nation of Israel,a person, male,son of Isaac; Israel the man and nation

Jeremiah 50:2

Babylon : a country of Babylon in lower Mesopotamia
(32° 32´, 44° 25´); (32° 32´, 44° 25´); (32° 32´, 44° 25´); (30° 57´, 46° 6´)

Bel : a pagan god of the Babylonians

Merodach : a pagan god; chief god of the Babylonians

Jeremiah 50:29

Babylon : a country of Babylon in lower Mesopotamia
(32° 32´, 44° 25´); (32° 32´, 44° 25´); (32° 32´, 44° 25´); (30° 57´, 46° 6´)

Israel : a citizen of Israel.,a member of the nation of Israel

Jeremiah 51:27

Ararat : a mountain, the surrounding land, & a kingdom in the area
(39° 42´, 44° 17´)

Ashkenaz : son of Gomer son of Japheth son of Noah,a people of the northern shore of the Black Sea
(40° 35´, 44° 35´)

Minni : a region of Armenia, around Lake Van
(40° 35´, 44° 35´)