 The couple were married a few days later, by Professor JI Marais – Smuts's benefactor at Cambridge, and Smuts returned to Johannesburg with his new wife.Smuts's life settled into a happy routine; twins were born to the pair in March 1898, but unfortunately survived only a few weeks.In Johannesburg, a raw mining town of only 50,000 whites, the professional class was thin on the ground.