Dawn Langley Simmons died on September 18, 2000, in Charleston, South Carolina, USA.
Dawn Langley Simmons's birth name is Gordon Langley Hall.
Dawn Langley Simmons was born on October 15, 1922, in Kent, England, UK.
You are probably referring to (now deceased) Dawn Langley Pepita Simmons.
Dawn Langley Simmons died on October 21, 2000 -- her birthdate is subject to debate, being cited as either October 15, 1937 or as an unknown date in 1922.
A. Langley Searles died in 2009.
Esme Langley died in 1992.
James Langley died in 1983.
Walter Langley died in 1922.
Dorothy Langley died in 1969.
Ambrose Langley died in 1937.
Batty Langley died in 1751.
Victor Langley died in November 2003.