This man is the husband of Wyatt's Mother. He is the father of Wyatt and father-in-law of Susan. He is the paternal grandfather of Penny, Randall and Lisa. He is the ex-paternal grandfather-in-law of Zack Johnson and the current paternal grandfather-in-law of Leonard Hofstadter and Lisa's Husband. He is a great-grandfather to Penny's nephew. Penny's Uncle may be his possible son. Penny's Cousin may be his possible grandson.

He is indirectly mentioned after Professor Proton asks Penny if she has any single grandmothers and she answers that they are both married.

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