פירוש על ברכות 31:10

Her name was Rachel. The son is not called by his father's name, which was Isur (Bab. Bat. 149 a), because his mother became pregnant while a prisoner of war; and although the father embraced Judaism before the child was born, his name is omitted. See Ketubot 23 a.

M. adds : R. Simeon b. Johai says.

With "Hear, O Israel," i.e. the Shema*, since the word "hear" is common to both.