It is unclear if he is related to , son of Narimantas, who in 1398 acted as a diplomat for Vytautas and signed the Treaty of Salynas, as some sources consider them to be the same person.
The relationship between him and Narimantas's son, who served as a diplomat for Vytautas in 1398 and signed the Treaty of Salynas, is unclear. Some sources believe they are the same individual.