How many full siblings did Fatemeh Pahlavi have?
Fatemeh Pahlavi was born in Tehran on 30 October 1928. She was the tenth child of Reza Shah and his fourth and last wife, Esmat Dowlatshahi. Her mother was from the Qajar dynasty and married Reza Shah in 1923. Fatemeh was the full-sister of Abdul Reza Pahlavi, Ahmad Reza Pahlavi, Mahmoud Reza Pahlavi and Hamid Reza Pahlavi.
4 siblings: Abdul Reza Pahlavi, Ahmad Reza Pahlavi, Mahmoud Reza Pahlavi and Hamid Reza Pahlavi.
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### Instruction: How many full siblings did Fatemeh Pahlavi have?
### Input: Fatemeh Pahlavi was born in Tehran on 30 October 1928. She was the tenth child of Reza Shah and his fourth and last wife, Esmat Dowlatshahi. Her mother was from the Qajar dynasty and married Reza Shah in 1923. Fatemeh was the full-sister of Abdul Reza Pahlavi, Ahmad Reza Pahlavi, Mahmoud Reza Pahlavi and Hamid Reza Pahlavi.
### Response: 4 siblings: Abdul Reza Pahlavi, Ahmad Reza Pahlavi, Mahmoud Reza Pahlavi and Hamid Reza Pahlavi.