Lady Surma D'Bait Mar Shimun was the sister of the Catholics Patriarch of the Assyrian Church of the East and leader of the Assyrians, Mar Shimun XXI Benyamin who was assassinated by the Kurdish rebel Simko and succeeded by his younger brother, Mar Shimun XXII Paulus.
Lady Surma D'Bait Mar Shimun (27 January 1883-7 December 1975) was the sister of the Catholics Patriarch of the Assyrian Church of the East and leader of the Assyrians, Mar Shimun XXI Benyamin. After the assissination of her brother by the Kurdish rebel Simko and succeeded by his younger brother, Mar Shimun XXII Paulus.