Question: Are Justus Danckerts and Laura Spelman Rockefeller of the same nationality?
Sentence (from "Laura Spelman Rockefeller"): Laura Celestia "Cettie" Spelman Rockefeller (September 9, 1839 – March 12, 1915) was an American abolitionist, philanthropist, school teacher, and prominent member of the Rockefeller family.
Relevant evidence: Yes