first-born

It meant something socially and legally to be the first-born son, a son at all, or a girl.

Content, my mother was at ease that her first-born would not fall into the ranks of picky eaters.

Elyon is the name of an ancient Phœnician god, slain by his son El, no doubt the “first-born of death” in Job xviii.

From this wonderful flower Brahma sprang, and, seeing nothing but water, imagined himself the first-born of all creatures.

The name given by the Dakotas to the first-born, if a female.

The mother said that she could not distinguish them, and that she did not know which was the first-born.

Then, "when I see the—blood—on the—lintel—and on the two—side-posts—I will not go in and—kill the first-born!"