app/Module/BranchesListModule.php

239             $sosa = key($ancestors);
241             $family = $ancestors[$sosa]->childFamilies()->first();
245                     $ancestors[$sosa * 2] = $family->husband();
248                     $ancestors[$sosa * 2 + 1] = $family->wife();
377         $sosa = array_search($individual, $ancestors, true);
378         if (is_int($sosa) && $module instanceof RelationshipsChartModule) {
380 …I18N::translate('Relationship') . '">' . I18N::number($sosa) . '</a>' . self::sosaGeneration($sosa…
415                     $sosa = array_search($spouse, $ancestors, true);
416                     if (is_int($sosa) && $module instanceof RelationshipsChartModule) {
418 …I18N::translate('Relationship') . '">' . I18N::number($sosa) . '</a>' . self::sosaGeneration($sosa…
475      * @param int $sosa
479     private static function sosaGeneration(int $sosa): string  argument
481         $generation = (int) log($sosa, 2) + 1;