Addams Deductions family name is for example Addams ⇐ (Addams is a family name), (is a is inverse of is for example) Q121493679 is for example Addams ⇐ (Addams is a Q121493679), (is a is inverse of is for example) Addams is a Q121493679 ⇐ (family name is subclass of Q121493679), (Addams is a family name)