formerly
A dysfunctional family that was once functional, a disowned family, and/or a term used by family member who wishes to speak of his family in a past tense.
Example:
"I don't talk to my formerly anymore"; "I haven't seen a member of my formerly for a long time now."; "I come from a dysfunctional formerly".
"I don't talk to my formerly anymore"; "I haven't seen a member of my formerly for a long time now."; "I come from a dysfunctional formerly".