Strong H1060 בְּכוֹר bekôr · firstborn

Job

1. Job 1:13
   And there was a day when his sons and his daughters were eating and drinking wine in their eldest brother’s house:
2. Job 1:18
   While he was yet speaking, there came also another, and said, Thy sons and thy daughters were eating and drinking wine in their eldest brother’s house:
3. Job 18:13
   It shall devour the strength of his skin: even the firstborn of death shall devour his strength.