Iyyar 11 5587 (1827 C.E.) 
R' Naftali Tzvi Horowitz,
Rebbe of Ropschitz, author of Ayalah Shluchah. (Naftali Tzvi ben Menachem Mendel)

Iyyar 11 5592 (1832 C.E.) 
R' Yitzchak of Radvil,
son of the Maggid (speaker) of Zlotchov. (Yitzchak ben Yechiel Michel)

Iyyar 11 5729 (1969 C.E.) 
R' Chayim Yehudah Meir of Wisheau,
(Tel Aviv). (Chayim Yehudah Meir ben Menachem Mendel)

Iyyar 11 5753 (1993 C.E.) 
R' Aharon Pfeuffer
of Johannesburg, (South Africa), author of Kitzur Shulchan Aruch Bassar B'Chalav.