Question: Bernard Vonnegut I was grandfather to which author who wrote "Slaughterhouse-Five"?
Sentence (from "Bernard Vonnegut I"): Bernard Vonnegut I, WAA, FAIA, (August 8, 1855 – August 7, 1908) was an American lecturer and architect active in late-nineteenth and early-twentieth-century Indiana.
Relevant evidence: No