In 1899, more than a decade after his first wife's death, Crewe married again to the eighteen-year-old Lady Margaret Etienne Hannah (Peggy) Primrose, daughter of the 5th Earl of Rosebery.
In 1899, more than a decade after his first wife's death, the 41-year-old Crewe married again. She was Lady Margaret Etienne Hannah (Peggy) Primrose, daughter of the 5th Earl of Rosebery.