John Jacob Astor IV

American businessman, real estate builder, investor, inventor, writer, lieutenant colonel (1864–1912) (1864–1912)

Parents

• William Backhouse Astor, Jr.
• Caroline Webster Schermerhorn Astor

Children

• Vincent Astor
• John Jacob Astor VI
• Ava Alice Muriel Astor

Siblings

• Charlotte Augusta Astor
• Helen Schermerhorn Astor
• Emily Astor
• Carrie Astor Wilson

Partners

• Ava Lowle Willing
• Madeleine Astor