He had four brothers: Progon (d. 1394), Pal II (d. 1402), Andrea (d. 1416), and Gjon Dukagjini (d. 1446).
In January 1423, during the Second Scutari War, the Republic of Venice bribed and won over the Pamaliots on Bojana, and then bought over several tribal leader in or near Zeta: the Paštrovići, Gjon Kastrioti (who had extended to the outskirts of Alessio), the Dukagjins, and Koja Zaharija.
[1] Although Venetian admiral Francesco Bembo offered money to Gjon Kastrioti, Dukagjins and to Koja Zaharija in April 1423 to join the Venetian forces against Serbian Despotate, they refused.
[2] Supported by the Ottomans, Stefan Maramonte plundered the region around Scutari and Ulcinj, and attacked Drivast in 1429, but failed to capture it.
[3] In April 1429, Tanush received a gift of 120 perpers from the Republic of Ragusa.