[12] On October 4, 1448, the Albanian–Venetian War was ended when Skanderbeg and Nicholas Dukagjini signed a peace treaty with the Republic of Venice, represented by the governor of Shkodra, Paulo Loredano and a special envoy, Andrea Venerio.
[13] Together with many other Albanian noblemen (such as Moisi Arianit Golemi, Pal Dukagjini and Hamza Kastrioti) he abandoned Skanderbeg's forces and deserted to the Ottomans.
Serafina sacrificed her love to Bosdare and married Nicholas Dukagjini to help uniting southern and northern Albania to fight against the Ottomans.
However, the Venetians, learning that Murad was still alive and fearing to provoke Turks, reputiated Dukagjin and broke off all relations with him.Никола Дукађин убио је Леку Закарију.
Према млетачком хроничару Стефану Мању убио га је "у битки" као његов вазал.
Мада Барлеције погрешно наводи да је убиство извршио Лека ДукађинNikola und Paul Dukagjin, Leka Zaharia von Dagno, Peter Span, Herr der Berge hinter Drivasto, Georg Strez Balsha sowie Johann und Gojko Balsha, die sich zwischen Kruja und Alessio festgesetzt hatten, die Dushman von Klein-Polatum sowie Stefan (Stefanica) Crnojevic, der Herr der OberzetaКрајем лета 1444.
Djemtë e tij, Draga dhe Gjergji, nuk arritën të kishin veprimtari politike, sepse në vitin 1462 u vranë.
Si pasardhës i vetëm i tyre mbeti djali i mitur i Gjergjit, Nikolla, i cili hyri në shërbim të Venedikut.The 'Songs of Serafina Thopia' also take us back to the nebulous romantic world of mid-fifteenth-century Albania... an Albanian Romeo and Juliet ... Serafina sacrifices her own happiness to state interests, and marries Prince Nicholas Dukagjini so as to unite southern Albania with the north ... on the eve of Turkish invasion)