Birth Name: James Oliver Cromwell
Place of Birth: Los Angeles, California
Date of Birth: January 27, 1940
Ethnicity: German (paternal grandmother), Irish, English
James Cromwell is an American actor. He is the son of John Cromwell (Elwood Dager Cromwell), an actor, director, and producer, and Kay Johnson (Catherine Townsend Johnson), an actress.
James’s paternal grandparents were George O. Cromwell (the son of Peter Cromwell and Mary Shottenkirk) and Helen Mary Sheeler (the daughter of Christian Sheeler and Kaldenbaugh). Peter’s father was English. Mary was born in Scotland, to English parents. Helen was of German descent.
James’s maternal grandparents were Thomas Robert Johnson (an architect, the son of Thomas Brown Johnson and Agnes Margaret Wilson) and Catharine. Catharine was Irish.
Sources: Genealogy of James Cromwell – http://worldconnect.rootsweb.ancestry.com
Genealogy of James Cromwell (focusing on his father’s side) – http://freepages.genealogy.rootsweb.ancestry.com
James’s mother on the 1910 U.S. Census – https://familysearch.org