For instance the first edition of Lithuanian Annals mentions him as Shkvarno .
The following editions use the names of Skirmont and Skirmunt , possibly a Ruthenisation of Lithuanian name Skirmantas .
For instance the first edition of Lithuanian Annals mentions him as Shkvarno , but the following editions use the names of Skirmont and Skirmunt , possibly a Ruthenisation of Lithuanian name Skirmantas .