'Descendants' in the Bible

but the Israelites were prolific and increased greatly; they multiplied and became extremely strong, so that the land was filled with them.

Then Amalek [and his people] came and fought with Israel at Rephidim.

The various articles of clothing shall be on Aaron and on his sons when they enter the Tent of Meeting, or when they approach the altar [of incense] to minister in the Holy Place, so that they do not incur guilt and die. It shall be a statute forever to Aaron and to his descendants after him.

“The holy garments of Aaron shall be for his sons after him, to be anointed and ordained in them.

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.”

The Lord spoke to Moses, saying, “Depart, go up from here, you and the people whom you have brought from the land of Egypt, to the land which I swore to Abraham, Isaac, and Jacob (Israel), saying, ‘To your descendants I will give it.’