Complex sentence: He heard... in She is remembered because of dated inscriptions on images of the Buddha that she erected in three cities near the Ganges, marking her success in attracting money and patronage to the Sarvāstivāda, the sect of Buddhism to which she belonged.
Split into simpler sentences: He heard... in She is remembered because of dated inscriptions on images of the Buddha that she erected in three cities near the Ganges. They mark her success in attracting money and patronage to the Sarvāstivāda, the sect of Buddhism to which she belonged.