only john goodman has played dan conner on rosanne
I believe just "Little" Ed and Angela, the children that were born on the show to Dan's father's second wife, Crystal.
He had a heart attack at Darlene's wedding but it was not known he actually died until the final episode. The last season was a story Rosanne had written. - The revival of Rosanne which debuted in March 2018 on ABC is ignoring Dan's death.
True
Dan Conner played by John Goodman Roseanne Conner played be Roseanne Barr Jackie Harris (real name Majorie) played be Laurie Metcalf Rebecca "Becky" Conner (Later Healy) - Played by Lecy Goranson and Sarah Chalke Darlene Conner (Later Healy) - Played by Sara Gilbert David Jacob "DJ" Conner - Michael Fishman There were several other recurring characters, but none were featured as prominently as those mentioned above.
Harris Conner-Healy
yes the actor known as Dan Conner on Rosanne has died.
john goodman
Becky Conner the eldest child
Yes She has a sister and a brother: Geraldine and Ben
No the nineth season was more of a fantasy then reality season. Dan died when he had his heart attack.
SPOILER SPOILER SPOILER The final episode of the Roseanne show reveals several big changes. Roseanne is writing a novel that describes the show as it appeared. In reality, Dan is dead, and Roseanne's daughters are in relationships with the opposite brothers to what was shown previously: Becky with David, and Darlene with Mark.