Shortly afterwards Gaozu 's widow Lü Zhi , now empress dowager , had Liu Ruyi , a potential claimant to the throne , poisoned and his mother , the Consort Qi , brutally mutilated .
Head entity: liu ruyi Q702231 13 14
Tail entity: consort qi Q1207228 29 30
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P25