Her mother, an active clubwoman, was also a Bahá'i convert, introduced to the faith by suffragist Mary Hanford Ford.

Breed, who acted as a young woman and studied Eastern religions and texts,[2] married a Persian diplomat, Mirza Ali Kuli Khan, in 1904.

[11] The Khan family greeted Bahá'i leader ‘Abdu’l-Bahá on his arrival in Washington in 1912,[12] and hosted a luncheon for him, with guests including Louis Gregory.

[16] Florence Breed and Ali Kuli Khan had three children, Rahim (born 1905), Marzieh (1908–1993),[17] and Hamideh (1910–1989).

[18] Their daughter Marzieh Gail published a series of family memoirs, Other People, Other Places (1982), Summon up Remembrance (1987), and Arches of the Years (1991).