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