[2] Diana Agabeg (Agabegian), whose baptismal name was Gayane, was born in Rangoon, British Burma (today Yangon, Myanmar) on 17 October 1859.

Diana Apcar's mother Avet was from the Tateos Avetum family from Shiraz, a city in south-central Iran.

[2] At the age of sixty-seven, Apcar was experiencing numerous physical problems, such as failing eyesight, hearing loss, and arthritis.

[2] Out of respect to her efforts, Hamo Ohanjanyan, who was then the Foreign Minister of the Republic, appointed Diana Apcar Honorary Consul to Japan.

[2] After her son took over the family business in Japan, Apcar had more time to concentrate on her humanitarian, literary, and diplomatic career.

[2] These works include: A great-granddaughter of Diana Apcar, Mimi Malayan, found a box of her writings in 2004 and began researching her life.