Claim: Švitrigaila (before 1370 – 10 February 1452) was the Grand Duke of Lithuania from 1430 to 1432 and his predecessor was Vytautas.
Evidence: Švitrigaila (before 1370 – 10 February 1452; sometimes spelled Svidrigiello) was the Grand Duke of Lithuania from 1430 to 1432. Vytautas 
October 1430 – 1 August 1432 Before 1370 (1452-02-10)10 February 1452 Vytautas