The god of the sea , Poseidon , is accompanied by his wife , Amphitrite , who is one of the fifty Nereids , sea nymphs whose parents were Nereus and Doris .
Head entity: doris Q726279 31
Tail entity: amphitrite Q180222 14
Relation (head \u2192 tail): P40
Inverse relation (tail \u2192 head): P25