John Jacob Astor VI was born four months after the death of his father who was a lieutenant colonel in what war?
John Jacob Astor IV: John Jacob "Jack" Astor IV (July 13, 1864 – April 15, 1912) was an American businessman, real estate builder, investor, inventor, writer, lieutenant colonel in the Spanish–American War, and a prominent member of the Astor family.
i don't know