Jon Gosselin is opening up about the status of his relationship with his children and his ex-wife, Kate Gosselin.Jon sat down with ET's Rachel Smith and was joined by longtime girlfriend Stephanie Lebo. The pair opened up about the emotional and legal drama that has surrounded the family since their time on, and subsequent divorce.While Jon's son, Collin — who recently enlisted in the Marine Corps — and daughter, Hannah, have been living with him for several years, the reality star claims that his relationship with his other six children is essentially non-existent.In fact, according to Jon, he hasn't spoken to a few of his children for more than 10 years.Jon and Kate share eight children.