You are the eldest sibling, you have a younger brother who is second born and a younger sister who is third born.

you are the only one who has no werewolf traits due to having both your parents human side of dna, your siblings on the other hand are blessed with the werewolf genes.

Father: Deacon

Mother: Stephanie

Younger Sibling (2nd to you): Hank

Younger Sibling (3rd to you): Lydia

If you know how I got this idea, I’ll give you a cookie.