Father - Nathan Petrelli
Future stepmother - Naomi Goldsmith
Twin brother - Thomas Petrelli
Half-sister - Claire Bennet
Half-brothers - Simon and Monty Petrelli
Uncles - Peter Petrelli, DL Hawkins, Joshua Evans
Aunts - Rhia Petrelli, Hira Spektor, Niki Sanders, Barbara Zimmerman
Cousins - Carmen Herrera, Micah Sanders, Jess Petrelli, Zamora Spektor