Pronounced Regal like the car, Buick Regal. Your Dad's cousin, thats cool. A senator. I did not know the guy was a GOP and then turned Dem, its the other way around these days. I would imagine the Union voter of the auto industry may have leaned him to switch.Ahh lets loose the poltical, LOL.
Another Riegel that was famous (but) for the wrong reason was an NFL player about 50 years ago. "Wrong way" Riegle was best known for picking the ball up and running the wrong way. He scored a safety after his teammates tackled him in the end zone.