ibn ʿAbd al-Rahman ibn Sayf Allah, the Sword of Allah, Khalid ibn al-Walid of the Banu Makhzum—al-Khalidi—also styled al-Maniʿi and originally from Marw al-Rudh.

He heard hadith from Abu Tahir ibn Mamhish, Abu al-Qasim ibn Habib, Abu al-Hasan ibn al-Saqa, and a number of others.

Those who transmitted from him include Muhyi al-Sunnah Abu Muhammad al-Baghawi, ʿAbd al-Munʿim ibn al-Qushayri, ʿAbd al-Wahhab ibn Shah, and many others.

ʿAbd al-Ghafir said: “He is the eminent leader, Abu ʿAli the pilgrim (1), Shaykh al-Islam, praised for his lofty traits. His generosity and kindness spread to every land. In his youth he was a merchant, then his rank grew until he was among those consulted in the councils of sultans—none of them could dispense with his opinion. He inclined toward good deeds and turned to reverent piety. He built mosques, ribats, and the congregational mosque of Marw al-Rudh; each winter he clothed nearly a thousand souls. He strove to abolish commercial tithes in his town, lifted levies from the villages, and established a public charity for all the townspeople, rich and poor alike, whereby each person received five dirhams. That arrangement continued after his time. He was devoted to night prayer, fasting, and strenuous worship (2).”

Al-Samʿani said: “In his youth he combined landownership with trade and followed the carefree ways of young men until he attained eminence. When the Seljuq assumed sovereignty, his influence came to the fore; he built the congregational mosque in his own town, then constructed the New Congregational Mosque in Nishapur (3).”

It is reported that a woman came to him with a garment so that he might spend its price on building the mosque—a garment worth half—