More on Alfrida (all found on Ancestry.com):

Death from Social Security Death Index:
Name: Alfrida Ehrlich
SSN: 091-01-0351
Last Residence:
33009 Hallandale, Broward, Florida, USA
BORN: 4 Jul 1902
Died: Feb 1977
State (Year) SSN issued: New York (Before 1951)

Death from Florida Death Indexes: (certificate can be ordered from State of Florida for $5.00).
Name: Alfrieda Ehrlich
Death Date: 10 Feb 1977
County of Death: Dade
State of Death: Florida
Age at Death: 74
Race: White
Birth Date: 4 Jul 1902

Henry also petitioned for naturalization at same time as Alfrida.

Henry from U. S. Public Records:
Name: Henry A Ehrlich
Birth Date: 27 Apr 1902
Address: 404 NE 6th St, Hallandale Beach, FL, 33009-2441

Henry death from Social Security Death Index:
Name: Henry Ehrlich
SSN: 091-01-1102
Last Residence:
33004 Dania, Broward, Florida, USA
BORN: 27 Apr 1902
Last Benefit: 33315, Fort Lauderdale, Broward, Florida, United States of America
Died: Nov 1979
State (Year) SSN issued: New York (Before 1951)

from Florida Death Index:
Name: Henry A Ehrlich
Death Date: 22 Nov 1979
County of Death: Broward
State of Death: Florida
Age at Death: 77
Race: White
Birth Date: 27 Apr 1902

Henry burial at Find-a-Grave.com (did not find Alfrida):
Name: Henry Albert Ehrlich
Birth Date: 27 Apr 1902
Birth Place: Germany
Death Date: 22 Nov 1979
Death Place: Broward County, Florida, USA
Cemetery: Hallandale Cemetery
Burial or Cremation Place: Hallandale, Broward County, Florida, USA