Question: Were Martha Mattox and Sarah Schaub of the same nationality?
Sentence (from "Karl C. Schaub"): Karl C. Schaub( December 12, 1869 – January 31, 1959) was a Swiss- born American architect who designed many buildings in the state of Utah, including the NRHP- listed Hyrum First Ward Meetinghouse and Old Main in Logan.
Relevant evidence: No