Rhonda Belle Martin

Rhonda Belle Martin was put to death on Oct. 11, 1957, in Alabama 
for poisoning her mother, three daughters and two of her five
husbands.  Caught while attempting to murder husband #5, who
was the son of husband #4 (also a victim).
She was executed in 1957, wearing a wedding ring.


http://www.th-record.com/1998/03/03-30-98/widowk.htm

http://www.postherald.com/me030802.shtml