IVAN BORISOVICH TUGUL LUK (1370 - 1418)

He was the second son of Boris Konstantinovich, grand prince of Nizhnigorod and Maria Ol'gerdovna, princess of Lithuania. He became appanage prince of Nizhnigorod. His son was Aleksandr Brukhatii, prince of Nizhnigorod. The family is shown on this chart.