Indeed, and a generation (singular) can be applied to a whole people alive at once or generations (plural) to family branches.
Singular:
Gen 7:1 wrote:And the Lord said unto Noah, Come thou and all thy house into the ark; for thee have I seen righteous before me in this generation.
Gen 15:16 wrote:But in the fourth generation they shall come hither again: for the iniquity of the Amorites is not yet full.
Plural:Gen 50:23 wrote:And Joseph saw Ephraim’s children of the third generation: the children also of Machir the son of Manasseh were brought up upon Joseph’s knees.
Gen 5:1 wrote:This is the book of the generations of Adam. In the day that God created man, in the likeness of God made he him;
Gen 10:1 wrote:Now these are the generations of the sons of Noah, Shem, Ham, and Japheth: and unto them were sons born after the flood.