McKibben Family contains Jim McKibben, who is Mattys adoptive father, Ms. McKibben his adoptive mother and James McKibben who is possible adoptive/older brother.
About the McKibben Family
Matty was adopted by Mr.and Mrs. McKibben from an early age, leaving his biological family unknown. He is also the younger brother of James McKibben, who is an alcoholic and has been to rehab. They live in Palos Hills.
Matty and Mr.and Mrs. McKibben at Jennas house, Matty apologizing for taking her virginity.