They ran a restaurant called Big Pete's House of Munch in No Meals on Wheels & they ran a cookie shop in Baking Bad.
"Handful of Peter"
His wife is Lois Griffin nee Lois Pewterschmidt.
L - O - I - S... Lois Griffin.
Season 2|Episode 1 Peter, Peter, Caviar Eater
It's her accent.
The name of Peter and Lois Griffin's daughter is Meg and she is the oldest child. Her brothers are Chris and Stewie.
"Handful of Peter"
Pewterschmidt In the Peter, Peter Caviar Eater where they moved in the Cherrywood Mansion the aunt of Lois had the last name of Pewterschmidt.
Peter Griffin's wife's name is Lois Griffin.
His wife is Lois Griffin nee Lois Pewterschmidt.
L - O - I - S... Lois Griffin.
Peter Griffin, his wife Lois, sons Stewie and Chris, daughter Megan, dog Brian.
Trading Places
Season 2|Episode 1 Peter, Peter, Caviar Eater
Since griffins are mythical and do not exist, there is no official name fro a group.
family guy
It's her accent.