Lubaba bint al-Harith
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Lubaba bint al-Harith (Arabic: لبابة بنت الحارث), also known as "Umm Fadl", is the mother of Abd-Allah ibn Abbas and Fadl ibn Abbas, wife of Abbas ibn Abd-al-Muttalib, and sister of Maymuna bint al-Harith.
Umm Fadl claimed to be the second woman to convert to Islam, the same day as her close friend Khadijah. Officially, 'Abbas accepted Islam just before the fall of Makkah 20 years later [1]