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.