database design - Can a sublass have two parents (two entity types that are connected with it?) - Database Administrators Stack Exchange

I'm kind of new to ERDs and stuff, just wondering if I'm correct when my (conceptual) entity relationship diagram has two entity types connected to one subclass (so the subclass inherits data from

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database design - Representing a Superclass/Subclass (or Supertype-Subtype) relationship in a MySQL Workbench diagram - Database Administrators Stack Exchange