Henryk Lederman died in 1944.
Minna Lederman died in 1995.
William Lederman died on 1992-07-26.
D. Ross Lederman died on 1972-08-24.
Henryk Rzewuski died in 1866.
Henryk Zieliński died in 1981.
Henryk Arctowski died in 1958.
Henryk Minkiewicz died in 1940.
Henryk Łowmiański died in 1984.
Henryk Reyman died in 1963.
Henryk Firlej died in 1626.
Henryk Rodakowski died in 1894.
Henryk Stażewski died in 1988.