The birth of Robert Sierakowski

Robert John Sierakowski was born on May 18, 1948 in San Francisco County, California.

His father's last name is Sierakowski, and his mother's maiden name is Olden. If Robert is still alive, he's now 77 years old.

His potential siblings include Stephen (born 1956), Orin (born 1959), Mark (born 1949) and Francis (born 1942).