sentences:  Jedidiah (Peter Tork, Michael McKean, and Mark Harelik) and Rhiannon Lawrence (Annette O'Toole and Marcia Cross) are Topanga's estranged parents.Dialogue suggests they were married at the same age as Cory Matthews and their daughter, Topanga, however their relationship is not as strong due to Jedidiah's (off-screen) extramarital affair with a woman named Marie.For Topanga's sake and without her knowledge, Jedidiah and Rhiannon spend years in counseling in an effort to salvage their marriage.