The regular way, Hera got pregnant then 9 months later she has a baby like a regular mortal.
She had Ares and Hephasteus with Zeus but she had three other kids by her self Hebe, Eileithyia, and Typhon.
yes
Yes Hera was born before Zeeus
Hera was born first/swallowed by Cronos before Zeus was born.
Hera was mad a t Zeus for naming a baby Heracles because the baby wasn't her baby. Zeus married a mortal woman and decided to name him after his queen wife Hera.