'Generations' in the Bible

So all the generations from Abraham to David are fourteen generations; from David to the deportation to Babylon, fourteen generations; and from the deportation to Babylon to the Messiah, fourteen generations.

“For He has had regard for the humble state of His bondslave;For behold, from this time on all generations will count me blessed.

In the generations gone by He permitted all the nations to go their own ways;

For Moses from ancient generations has in every city those who preach him, since he is read in the synagogues every Sabbath.”

which in other generations was not made known to the sons of men, as it has now been revealed to His holy apostles and prophets in the Spirit;

to Him be the glory in the church and in Christ Jesus to all generations forever and ever. Amen.

that is, the mystery which has been hidden from the past ages and generations, but has now been manifested to His saints,