Endon was born to Datuk Mahmood Ambak, a Malay man, and Datin Mariam Abdullah, a Japanese woman. Endon had ten other siblings, including her twin sister Noraini as well as other sisters Nonni, Rahmah and Aizah. She was born in Klang, Selangor on 24 December 1940. Endon's father worked as a mining assistant in the Department of Mines, and subsequently transferred to Perak to help oversee about 60 mines in the district of Kampar. Endon spent much of her childhood days in Kampar and received her early education at the Anglo-Chinese School, now Methodist National Type Primary School. She later went on to attend St Mary's secondary school in Kuala Lumpur.
Marriage
Endon met Abdullah while she was working at the Federal Establishment Office in the 1960s and they were married in 1965. Endon later retired from civil service in 1976. Together with Abdullah, Endon had two children: son Datuk Kamaluddin Abdullah, a business tycoon and a daughter, Nori Abdullah. Both Abdullah and Endon had four grandchildren.
Social contributions
Endon is noted for her contributions to traditional fabric art such as the batik and songket. For example, she launched Campaigns and exhibitions such as the "Batik Extravaganza" which was held in early December 2003 and the Malaysian Batik Movement, "Creation for the World". She was also a patron of the theatre.
Illness and Death
Endon underwent a radical mastectomy on 18 April 2002, which was followed by 33 sessions of radiation and a series of physiotherapy sessions at St. John's Medical Center, Los Angeles, California. She discovered she had breast cancer in 2003 while her twin sister Noraini who had earlier been diagnosed with the disease died in January 2003. She left for St. John's Medical Center in Los Angeles, California for treatment, returning again in June 2005 for chemotherapy. She returned to Malaysia on 2 October 2005. She was later brought home to Seri Perdana to be with her family after spending two weeks in Putrajaya Hospital. On 20 October 2005, aged 64, Endon died after a long battle with breast cancer. The funeral was conducted at the Prime Minister's residence and the Putra Mosque, both in Putrajaya. Endon was buried at the Muslim cemetery in Taman Selatan, Precinct 20, Putrajaya.
