Care after Mu’ta
When Ja‘far died at Mu’ta, Muhammad ﷺ showed particular concern for his children. Abdullah was still young during these events, placing him among the companions whose memories began in childhood.
Source: ABDULLAH b. CA‘FER b. EBÛ TÂLİB — TDV İslâm Ansiklopedisi
Adult life and reputation
He later supported his uncle Ali and became known for generosity. He transmitted hadith both from Muhammad ﷺ and from members of his family, including his mother. Sources differ over his death date.
Source: ABDULLAH b. CA‘FER b. EBÛ TÂLİB — TDV İslâm Ansiklopedisi