Your Great Grandson is retired after 20 years, making him at least 38. Figure 20 years per generation, that puts you at at least 98 years old, and still active in the comment threads! Hats off to you, sir!
Unless they were options... aren't options "worthless" until you cash them out? I know they're not taxed as assets, so I wouldn't think they'd be counted as part of net worth either.