Complex sentence: Ava was born on July 7,1902 in her parents townhouse at 840 Fifth Avenue in Manhattan, New York City, the only daughter of Colonel John Jacob "Jack" Astor IV (1864--1912) and Ava Lowle Willing (1868--1958).
Split into simpler sentences: Ava was born on July 7,1902 in Manhattan, New York. She was the only daughter of Colonel John Jacob "Jack" Astor IV (1864--1912) and Ava Lowle Willing (1868--1958).