Passage: David Ben-Gurion was born in Płońsk in Congress Poland – then part of the Russian Empire. His father, Avigdor Grün, was a lawyer and a leader in the Hovevei Zion movement. His mother, Scheindel (Broitman), died when he was 11 years old. Ben-Gurion's birth certificate, when rediscovered in Poland in 2003, indicated that he had a twin brother who died shortly after birth. At the age of 14 he and two friends formed a youth club, Ezra, promoting Hebrew studies and emigration to the Holy Land.

Question: Who left David Ben Gurion's life when he was 11 years old?
His mother