Complex sentence: Nisith Chandra Sen, her brother, was a renowned barrister in the Calcutta High Court, and later the Mayor of Calcutta while sister Jamini was the house physician of the then Nepal Royal family.
Split into simpler sentences: Nisith Chandra Sen, her brother, was a renowned barrister in the Calcutta High Court, and later the Mayor of Calcutta. Another sister, Jamini was the house physician of the then Nepal Royal family.