Penelope McCallister is the mother of Rob, Frank, and Peter; the mother-in-law of Georgette, Leslie, and Kate; and the grandmother of Heather, the twins Liz and Mickey, Josh (Uncle Rob and Aunt Georgette's kids), Brooke, Tracy, Sondra, Rod, Fuller (Uncle Frank and Aunt Leslie's kids), Buzz, Megan, Linnie, Jeff, and the main protagonist, Kevin (all Peter and Kate's kids). She is married, but it is unknown what her husband's name is. Although she never appears in any of the Home Alone movies, she is mentioned in the first two movies.