private function getSosaName(int $sosa): string
    {
        $path = '';

        while ($sosa > 1) {
            if ($sosa % 2 === 1) {
                $path = 'mot' . $path;
            } else {
                $path = 'fat' . $path;
            }
            $sosa = intdiv($sosa, 2);
        }

        return Functions::getRelationshipNameFromPath($path);
    }