Looking for information about Joan Marlar, who died at the age of 6 years in Tulsa, OK, on October 5, 1937, of Elixir Sulfanilamide poisoning. Her mother was Maise Nidiffer; her father, R. R. Marlar. She also had an older sister (b abt 1929) with the name of "Beanna Dean" or "Jean." Any leads regarding existing family members are appreciated.