Born in 1912 in the village of Shekurya (now Berezovsky district.) In 1940 he married Elena Nikitichna Kanaeva. In 1941, a son, Nikolai, was born in the family. In 1942 the Kustyshev family moved to the village. Saranpaul. May 26, 1942 G.P. Kustyshev was drafted into the ranks of the Red Army. Disappeared in May 1944