Elazar Menachem Man Shach (Hebrew: אלעזר מנחם מן שך‎ ) Elazar Shach (January 1, 1899 O.S. – November 2, 2001) was a leading Lithuanian-Jewish Haredi rabbi in Bnei Brak, Israel. He also served as one of three co-deans of the Ponevezh Yeshiva in Bnei Brak, along with Rabbis Shmuel Rozovsky and Dovid Povarsky.

Based on that paragraph can we conclude that this sentence is true?
Elazar Menachem Man Shach had three children.
It's impossible to say