Birth Name: William Henry Pratt
Date of Birth: 23 November, 1887
Place of Birth: Camberwell, London, England, U.K.
Date of Death: 2 February, 1969
Place of Death: Midhurst, Sussex, England, U.K.
Ethnicity: English, possibly some Indian
Boris Karloff was a British actor.
He was the son of Eliza Sarah (Millard) and Edward John Pratt. Edward was born in Bombay, Maharashtra, India. Eliza was born in Poona, Bombay, India.
Boris was said to have some Indian ancestry. It is not clear if this is accurate.
Boris was married to Evelyn Hope Helmore, until his death. He had a daughter with his former wife Dorothy Stine.
Boris’s maternal grandfather was James Millard (the son of David Millard and Sarah Gray). James was born in Buckinghamshire, England. David was the son of James Millard and Winifred Harman. Sarah was the daughter of Charles Gray and Elizabeth Thornbeth.
Boris’s maternal grandmother was Eliza Julia Edwards (the daughter of Thomas Edwards and Mary Anne Glascott). Eliza was born in Ahmednagar, Maharashtra, India, and was the sister of Anna Leonowens (born Anna Harriette Emma Edwards), a travel writer, educator, and social activist, who inspired the musical The King and I (1951). Thomas was born in St. George Parish. Middlesex, England. Boris’s great-grandmother Mary Anne was the daughter of William Vaudrey Glascott, who was born in Hatherleigh, Devon, England, and of an unnamed woman who may have been of Indian and/or Eurasian descent.
Source: Genealogy of Boris Karloff (focusing on his mother’s side) – http://www.geni.com