ሮበርት Downey Sr የተወለደው ማንሃተን ፣ ኒው ዮርክ ሲቲ ፣ ለኤሊዛቤት (ኒ ማክሎክሌን) ፣ ሞዴል ፣ እና ሮበርት ኤሊያስ አር.
Robert Downey Sr was born in Manhattan, New York City, to Elizabeth (née McLauchlen), a model, and Robert Elias Sr., who worked in the management of motels and restaurants.