question: What is the place of birth of Ibrahim Ibn Muhammad's mother?
context: [["Ridhuan Muhammad", ["Muhammad Ridhuan bin Muhammad( born 6 May 1984) is a Singaporean professional footballer."]], ["Abdullah ibn Muhammad", ["Abdullah ibn Muhammad also known as Tahir ibn Muhammad(\" Tahirclean/ pure\") or Tayib ibn Muhammad was one of the sons of Muhammad and Khadija.", "Qasim ibn Muhammad was his older brother.", "Muhammad gave him the name of his father.", "Abdullah died in childhood in 615 CE."]], ["Amir Muhammad (director)", ["Amir Muhammad( born 5 December 1972) is a Malaysian writer and independent filmmaker."]], ["Ibrahim ibn al-Husayn (Ibn al-Walid)", ["Ibrahim ibn al- Husayn ibn Ali ibn Muhammad ibn al- Walid was the eleventh Tayyibi Isma'ili\" D\u0101\u02bf\u012b al- Mu\u1e6dlaq\" in Yemen, from 1287 to his death in 1328."]], ["Maria al-Qibtiyya", ["Maria bint Sham\u02bf\u016bn, better known as Maria al-Qibtiyya , Maria Qubtiyya, or Maria the Copt (died 637), was an Egyptian who, along with her sister Sirin, were sent to the Islamic prophet Muhammad in 628 as a gift by Muqawqis, a Christian governor of Alexandria, Egypt during the territory's Persian occupation.", "She and her sister were slaves.", "She spent the rest of her life in Medina where she embraced Islam and lived with the Prophet Muhammad when she bore a son, Ibrahim.", "The son would die as an infant", "and then she died almost five years later."]], ["Ibrahim ibn Muhammad", ["\"\nIbrahim ibn Muhammad  was the son of the Islamic prophet Muhammad and Maria al-Qibtiyya.", "According to Ibn Kathir, quoting Ibn Sa'd, nicknamed \"Scribe of WaqidiKatib al-Waqidi\"), he was born in the last month of the year AH 8, equivalent of AD 630.", "Muslim scholars such as Moslim Ibn Hajjaj and Al-Nasa'i mention that Al-Waqedi is not reliable and is not trustworthy to be quoted."]], ["Marzuban ibn Muhammad ibn Shaddad", ["Marzuban ibn Muhammad ibn Shaddad was a Kurdish ruler, the brother of Lashkari ibn Muhammad.", "He succeeded his brother to the throne of the Shaddadids in 978.", "He was incompetent, however, and reigned only until his murder by his younger brother al- Fadhl ibn Muhammad in 985."]], ["Shabbir Muhammad", ["Shabbir Muhammad( born 3 March 1978) is a Pakistani field hockey player.", "He competed in the men's tournament at the 2004 Summer Olympics."]], ["Minamoto no Chikako", ["She was the mother of Prince Morinaga."]], ["Ibrahim ibn Muhammad Al ash-Sheikh", ["Ibrahim ibn Muhammad", "Al ash- Sheikh was a leading Wahhabi scholar in Saudi Arabia and Minister of Justice between 1975 and 1990."]]]
supporting_facts: [["Ibrahim ibn Muhammad", 0], ["Maria al-Qibtiyya", 0]]
evidences: [["Ibrahim ibn Muhammad", "mother", "Maria al-Qibtiyya"], ["Maria al-Qibtiyya", "place of birth", "Egypt"]]
answer: Egypt