The most popular assertion is that Grace Ho's father was German and her mother was Chinese, as attested by biographers Robert Clouse, Bruce Thomas, and Linda Lee Caldwell.

[4][5] It is also stated that Grace Ho's father was raised as the son of a Dutch Jew, Charles Maurice Bosman, and his Chinese concubine.

[6] Charles Russo has questioned this origin story entirely, suggesting that Grace Ho's father might have been Chinese or mixed-Chinese, and that her mother was English.

[5] Matthew Polly concedes that Grace Ho's paternal grandfather was a Dutch Jew, but likewise asserts that her mother was English.

[12] Her only appearance on television was with her son Robert in an interview on Good Night America with Geraldo Rivera, shortly after Bruce's death.