According to Unfinished Tales, Gethron was a man who served the House of Hador.

He and another, Grithnir, were sent with Túrin by his mother, Morwen, to find the lands of Doriath. They were to bring the son of Húrin to the gates of Menegroth, for the lands of Dor-lómin had grown dangerous.

It was Gethron who stood before King Thingol and begged that Túrin be fostered there.

Encyclopedia entry originally written by ~Venora~