three years after she gave birth to twins at the age of 66 harriette del carmen bousada de lara conceived after lying about her age. >> maria del carmen bousada lied about her age. her twins were born when she was a week short of for 67th birthday, making her the oldest mother ever according to the guinness book of workers. -- guinness book of records. but she has died of cancer. her neighbors expressed their surprise today. >> i have often seen the children, and they look terrific. their mother looked great, too. i used to see them and think, is that their grandmother? i was surprised when she said, no, i am the mother. >> the story of the former shop worker and oldest mother became a worldwide talking point. leading fertility experts condemn her actions as selfish and unnatural. her death will reopen the debate about the ethical limits of reproductive science. in spain and other countries, there is no absolute age limit for in vitro fertilization, but most clinics will refuse to treat women over 50. she once said she would look for an older man -- under man to bring up her children, there is no word about who will look af