Only a picture of this character is shown in The Simpsons Uncensored Family Album. No other information is available. Please do not invent information such as an age. People who invent information about this character may be blocked.
He is also the maternal great-grandfather of Bart, Lisa, and Maggie Simpson, the adoptive maternal great-grandfather of Ling Bouvier, and the grandfather-in-law of Homer Simpson on his mother-in-law's side.