Wife: Lynda (m. 1958, one son, three daughters)
Son: Kyle Petty (NASCAR racer)
Petty married his wife Lynda in 1958 and they have four children - Kyle Petty, Sharon Petty Farlow, Lisa Petty Luck and Rebecca Petty Moffit - and 12 grandchildren. The family still resides in Level Cross; They operate Petty Enterprises.
Couple Profile Source