public function newParentNames(Individual $child, string $sex): array
    {
        if ($sex === 'M' && preg_match(self::REGEX_SURN, $this->extractName($child), $match) === 1) {
            $name = $this->inflect($match['NAME'], self::INFLECT_MALE);
            $surn = $this->inflect($match['SURN'], self::INFLECT_MALE);