 Complete the following phrase:  When Jogaila died in May 1434, the Order resumed its backing for Švitrigaila, who rallied his supporters, including knights from the Livonian Order, the Orthodox dukes, and his nephew Sigismund Korybut, a distinguished military commander of the Hussites. The final Battle of Pabaiskas was fought in September 1435 near Ukmergė Vilkomir, Wiłkomierz, northwest of Vilnius. It is estimated to have involved 30,000 men on both sides. Švitrigailas army, led by Sigismund Korybut, was split by the attacking LithuanianPolish army, led by Michael Žygimantaitis, and soundly defeated. The Livonian Order had suffered a great defeat, sometimes compared to that which had been inflicted on the Teutonic Knights at 