Alphons Diepenbrock was born in 1862.
Melchior von Diepenbrock was born in 1798.
Alphons Diepenbrock died in 1921.
Melchior von Diepenbrock died in 1853.
Patrick Leonard was born in 1955.
Leonard Martin was born in 1901.
Leonard Steinhorn was born in 1956.
Leonard Arthur was born in 1926.
Roger Leonard was born in 1953.
Leonard George was born in 1957.
Leonard Raven-Hill was born in 1867.
Leonard Matthews was born in 1914.