Question: are celaena and rowan mates?
Answer: Rowan Whitethorn Galathynius is a Fae Prince, warrior, and formerly one of six elite warriors of Maeve's Cadre. He is also King-Consort and mate to the Queen of Terrasen, Aelin Galathynius. ... After his blood oath with Maeve ended, he swore the blood oath to Aelin Galathynius and became the first member of her court.