def deathdate
      date_month = bio_document.at("h5[text()*='Date of Death']").next_element.inner_text.strip rescue ""
      year = bio_document.at("a[@href*='death_date']").inner_text.strip rescue ""
      Date.parse("#{date_month} #{year}") rescue nil
    end
def deathdate
      date_month = bio_document.at("h5[text()*='Date of Death']").next_element.inner_text.strip rescue ""
      year = bio_document.at("a[@href*='death_date']").inner_text.strip rescue ""
      Date.parse("#{date_month} #{year}") rescue nil
    end
Get The death date else nil
@return [Date]