Lionel Stevens
Lionel was born about 1892.  He died in November 1975 in PA.

 Susan "Sue" Beebe
Susan "Sue" was born on August 20th, 1894 in Earlville, NY.  She died about 1981 in PA.

 Karl Stevens
Karl was born in February 1916.  He died at the age of 58 in August 1974 in Candor, NY.