During the Show
Greta would often have to fight with her father who disapproved of Eddie. Sometime in season 7, Urkel's cousin, Myrtle returned to Chicago. Unlike Laura's would-be boyfriends, Greta is more successful in warding her off.
Cancelled the sitcom
Eddie and Waldo would’ve gotten married to their true loves, but there is a mistake: Eddie accidentally married off to Maxine Johnson and Waldo married to Greta. Steve and Laura is involved to help set things right with Carl in getting Greta married to Eddie with Waldo and Maxine. Before moving to New York City with Eddie, she witnesses the birth of Steve and Laura's daughter, Stephanie