Born in Valinor during the Noontide of Valinor, Celegorm was very close to Oromë and hunted with him in his woods. After the death his grandfather, Celegorm, along with his father and brothers took an oath to recover them at any cost. Celegorm, bound to his oath came to Middle-earth and established great realms in exile and joined with their relatives in the House of Fingolfin, and waged war against the armies of Morgoth. Celegorm and his brother were defeated and overwhelmed by the successful sudden assault of Morgoth during the Dagor Bragollach. After losing Himlad, Celegorm and his brother fled south.