en_tn_lite_do_not_use/gen/16/16.md

Abram was

This introduces background information about Abram's age when these things happened. Your language may have a special way to mark background information. (See: rc://en/ta/man/jit/writing-background)

bore Ishmael to Abram

This means "gave birth to Abram's son, Ishmael." The focus is on Abram having a son.