BORIS KONSTANTINOVICH (by 1340 - ca 1394)

He was the third son of Konstantin Vasil'yevich, grand prince of Nizhnigorod and his second wife, Yelena. He became appanage prince of Gorodets from 1355 to 1363 and 1364 to 1383 and 1388 to 1391; and he alternated as grand prince of Nizhnigorod 1363-1364, and 1383-88, and again 1391-92. He married in 1354 with Maria, daughter of Ol'gered, grand prince of Lithuania. Their sons were Daniil, grand prince of Nizhnigorod; and Ivan, appanage prince of Nizhnigorod. The family is shown on this chart.