Lois Griffin

Lois Griffin is the wife of Peter Griffin.

History
Someone dressed in a Lois costume was at the building of Family Guy World.

Non-canon
Lois and her family was at the 742 Evergreen Terrace to celebrate the premiere of season 25.

Lois and the Griffin family have their car stolen just outside Springfield. They visit Springfield where they meet the Simpsons and become friends. Lois seems to bond with Marge.