Robert J. Betge died in 1877.
Robert J. Betge was born in 1824.
Robert J. Alexander died in 2010.
Robert J. Thorne died in 1955.
Robert J. Helberg died in 1967.
Robert J. McDuff died in 1981.
Robert J. Henle died in 2001.
Robert J. Grant died in 1950.
Robert J. Donovan died in 2003.
Robert J. Tracewell died in 1922.
Robert J. Havighurst died in 1991.
Robert J. McCloskey died in 1996.
Robert J. MacDonald died in 1987.