'Generations' in the Bible

Then God also said to Moses, “This is what you shall say to the Israelites, ‘The Lord, the God of your fathers, the God of Abraham, the God of Isaac, and the God of Jacob (Israel), has sent me to you.’ This is My Name forever, and this is My memorial [name] to all generations.

The sons of Merari: Mahli and Mushi. These are the families of Levi according to their generations.

‘Now this day will be a memorial to you, and you shall keep it as a feast to the Lord; throughout your generations you are to celebrate it as an ordinance forever.

You shall also observe the Feast of Unleavened Bread, because on this very day I brought your hosts [grouped according to tribal armies] out of the land of Egypt; therefore you shall observe this day throughout your generations as an ordinance forever.

It is a night of watching to be observed for the Lord for having brought them out of the land of Egypt; this [same] night is for the Lord, to be observed and celebrated by all the Israelites throughout their generations.

Then Moses said, “This is the word which the Lord commands, ‘Let an omer of it be kept throughout your generations, that they may see the bread with which I fed you in the wilderness, when I brought you out of the land of Egypt.’”

So Moses said to Aaron, “Take a pot and put an omer of manna in it, and place it before the Lord to be kept throughout your generations.”

but showing graciousness and steadfast lovingkindness to thousands [of generations] of those who love Me and keep My commandments.

In the Tent of Meeting [of God with His people], outside the veil which is in front of the [ark of the] Testimony [and sets it apart], Aaron [the high priest] and his sons shall keep the lamp burning from evening to morning before the Lord. It shall be a perpetual statute [to be observed] throughout their generations on behalf of the Israelites.

This will be a continual burnt offering throughout your generations at the doorway of the Tent of Meeting before the Lord, where I will meet with you, to speak to you there.

When Aaron sets up the lamps at twilight, he shall burn incense, a perpetual incense before the Lord throughout your generations.

Once a year Aaron shall make atonement [for sin] on its horns. He shall make atonement on it with the blood of the sin offering of atonement once a year throughout your generations. It is most holy to the Lord.”

They shall wash their hands and their feet, so that they will not die; it shall be a perpetual statute for them, for Aaron and his descendants throughout their generations.”

You shall say to the Israelites, ‘This shall be a holy and sacred anointing oil, to Me [alone] throughout your generations.

“But as for you, say to the Israelites, ‘You shall most certainly observe My Sabbaths, for it is a sign between Me and you throughout your generations, so that you may know [without any doubt] and acknowledge that I am the Lord who sanctifies you and sets you apart [for Myself].

So the Israelites shall observe the Sabbath, to celebrate the Sabbath throughout their generations as a perpetual covenant.’

you shall anoint them just as you anointed their father, so that they may serve as priests to Me; and their anointing shall qualify them for an everlasting priesthood throughout their generations.”