Yong-le: Year 1, Month 9, Day 26
12 Oct 1403
San-peng, the son of Si Lun-fa, the deceased pacification superintendent of Lu-chuan/Ping-mian, came to Court together with others in order to offer tribute of horses. It was ordered that paper money, velvet brocades, patterned fine silks interwoven with gold thread and silk gauzes be conferred upon San-peng, and that paper money, as appropriate, be conferred upon his attendants.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 10, page 428