Gendry is a former blacksmith apprentice for master Tobho Mott, he is from King’s Landing and bastard son of King Robert I. He was born to a worker in an alehouse. When he was old enough, an unknown lord paid his apprentice fee so he could learn to be a blacksmith.
Gendry is of a similar age as Robb Stark. Tall and very muscled, he has blue eyes and thick, black hair.