'Oldest' in the Bible

And Canaan was the father of Zidon, who was his oldest son, and Heth,

Uz the oldest, and Buz his brother, and Kemuel, the father of Aram,

And Rebekah took the fair robes of her oldest son, which were with her in the house, and put them on Jacob, her younger son:

And Jacob said, I am Esau, your oldest son; I have done as you said: come now, be seated and take of my meat, so that you may give me a blessing.

And Isaac his father said to him, Who are you? And he said, I am your oldest son, Esau.

And they were all given their seats before him in order of birth, from the oldest to the youngest: so that they were looking at one another in wonder.

And he made a search, starting with the oldest and ending with the youngest; and the cup was in Benjamin's bag.

And these are the names of the children of Israel who came into Egypt, even Jacob and all his sons: Reuben, Jacob's oldest son;

Reuben, you are my oldest son, the first-fruit of my strength, first in pride and first in power:

Blessings of sons, old and young, to the father: blessings of the oldest mountains and the fruit of the eternal hills: let them come on the head of Joseph, on the crown of him who was separate from his brothers.