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