She grew up in Ridgefield and was a graduate of Ridgefield High School. She was a resident of Danbury for 44 years.
She was a teller at the former Union Trust in Danbury for 18 years. She was active with her husband and family in outdoor activities and was also a member of the Bavarian Folk dancing club, a subsidiary of the German Club.
Besides her husband, Mrs. Drentwett is survived by a daughter, Carolyn and her husband Mark Siracuse of Omaha, Neb.; a son, Karl and his wife Theresa of Kent; two sisters, Joan Boehm of Danbury and Rita Sparano of Cary, N.C.; a brother, Joseph Korczynski of Danbury; 15 grandchildren; and several nieces and nephews.
The Hull Funeral Service of Danbury was in charge of arrangements.
In lieu of flowers, memorial donations can be made to the Lupus Foundation of America, Inc., Connecticut Chapter, 97 South St., Suite 110, West Hartford, CT 06110-1960.