The Rebbe had come to daven at the site, where his father and grandfathers are buried. He was very moved to meet the students of Otzar HaTorah.
Rav Estherson shared with him that the boys had had the privilege to be tested and blessed by his father, the previous Sadigura Rebbe zt"l, as well as his grandfather, the Ikvei Abirim zt"l.
The Rebbe blessed the boys with continued success and siyata diShmaya.