Question: What is the date of death of Manon Gropius's father?
Sentence (from "Walter Gropius"): Walter Adolph Georg Gropius (18 May 1883 – 5 July 1969) was a German architect and founder of the Bauhaus School, who, along with Alvar Aalto, Ludwig Mies van der Rohe, Le Corbusier and Frank Lloyd Wright, is widely regarded as one of the pioneering masters of modernist architecture.
Relevant evidence: Yes