The birth of Jeffrey Sifferman

Jeffrey Alan Sifferman was born on February 18, 1992 in Contra Costa County, California.

His father's last name is Sifferman, and his mother's maiden name is Altorfer. If Jeffrey is still alive, he's now 34 years old.

His potential siblings include James (born 1988), Joshua (born 1994), Joseph (born 1990) and John (born 1986).