In this picture, Roseanne is credited as Bar Pentland Arnold Thomas. I know she was married to Tom Arnold & Bill Pentland, but, who was she married to when her last name was Thomas?
http://www.sitcomsonline.com/photopost/data/612/20688callwaiting.jpg

She was married to Ben Thomas who was her limo driver. They were married Valentines day 1995. In The Clip Show part to she points to her stomach and says look what my limo driver gave me. Ben Thomas is the father of her youngest son, Buck.

Thanks, also, if the show is based on her life, is it based on her first marriage to Bill Pentland? or maybe her childhood?

The Dan character was based on all three of her husbands. At first he was Bill Pentland, then I'm guessing when Arnie kissed Roseanne was the time of her life when she left Bill for Tom (some symoblism). Then, I think that Dan became Ben after the baby was born or when she got pregnant.