. . . . . "1267" . . . . . . ":Shvarn" . "Shvarn Danilovych" . . . . . . . . "Shvarn, Grand Prince of Lithuania" . "'Ioann (''John'') Shvarn'" . "Shvarn" . . . "\u0160varnas" . . "Svarn" . . . . . "1269" . . "Shvarn" . . . .