George Cooper Sr.'s Brother-in-law (Sister's Husband)

This man is the husband of George Cooper Sr.'s sister. His name is seen on the family tree on Sheldon's board in "The Cruciferous Vegetable Amplification".

Families

 * Brother: George Cooper Sr.
 * Sister-in-law: Mary Cooper
 * Nephews: Sheldon Cooper, George Cooper Jr.
 * Niece: Missy Cooper
 * Great-Nephew: Unnamed