Yitzchok Yaakov Weiss died in 1989.
Yitzchok Yaakov Weiss was born in 1902.
Yaakov Yitzchok Ruderman died in 1987.
Yaakov Yitzchok Ruderman was born in 1901.
Yitzchok Zilber died in 2003.
Yitzchok Hutner died in 1980.
Yitzchok Sternhartz died in 1871.
Yitzchok Breiter died in 1943.
Levi Yitzchok of Berditchev died in 1810.
Levi Yitzchok Bender died in 1989.
Yitzchok Dovid Groner died in 2008.
Yitzchok Zev Soloveitchik died on 1959-10-11.
Yosef Yitzchok Schneersohn died on 1950-01-28.