בְּכִירָה

And the firstborn said unto the younger, Our father is old, and there is not a man in the earth to come in unto us after the manner of all the earth:

And they made their father drink wine that night: and the firstborn went in, and lay with her father; and he perceived not when she lay down, nor when she arose.

And it came to pass on the morrow, that the firstborn said unto the younger, Behold, I lay yesternight with my father: let us make him drink wine this night also; and go thou in, and lie with him, that we may preserve seed of our father.

And the firstborn bare a son, and called his name Moab: the same is the father of the Moabites unto this day.

And Laban said, It must not be so done in our country, to give the younger before the firstborn.

Now the sons of Saul were Jonathan, and Ishui, and Melchishua: and the names of his two daughters were these; the name of the firstborn Merab, and the name of the younger Michal: