Zubayda bint Abu Ja’far, the wife of Harun ar-Rashid, was the wealthiest and most powerful woman in the world of her time. She was a noblewoman of great generosity and munificence. She developed many buildings in different cities. She was known to have embarked upon a gigantic project to build service stations with water wells all along the Pilgrimage route from Baghdad to Mecca. The famous Zubaida water spring in the outskirts of Mecca still carries her name. She was also a patron of the arts and poetry.