It could mean that his mother was a Muslim with some sort of connection to the Umayyad Emir Abd al-Rahman I, or that she was a hostage of Abd al-Rahman in Córdoba, or it could mean yet something else.
這句話可以表示他的母親是一名與奧瑪雅埃米爾阿卜杜-拉赫曼一世有某種關聯的穆斯林，或她是阿卜杜-拉赫曼一世在哥多華的一名人質，或者可能代表其他意思。