Name:
Robert Clarence Groff
Sex:
Male
Father:
Jacob Herbert Groff (1875-1962)
Mother:
Nora Belle Zimmerman (1880-1964)
Birth:
Jul 5, 19011
Death:
Jan 27, 1978 (age 76)
St. Catharines, Ontario1
World Family Tree Vol. 2, Ed. 1.
World Family Tree Vol. 2, Ed. 1 Br›derbund Software, Inc. Release date: November 29, 1995