《资治通鉴·唐纪·唐纪二十二》
姚、杨再思坚持请求满足他，于是全部送还六州降户数千帐，并给谷种四万斛，各种丝织品五万段，农具三千件，铁四万斤，答应他女儿的求婚。
璹、再思固请与之，乃悉驱六州降户数千帐以与默啜，并给谷种四万斛，杂彩五万段，农器三千事，铁数万斤，并许其昏。
Yao and Yang Zaisi persistently requested that they be fulfilled. Therefore, they returned all the tens of thousands of surrenderer tents in the six states, and provided forty thousand bushels of cereal seeds, fifty thousand pieces of all kinds of silks, thirty thousand pieces of farming tools, forty thousand kilograms of iron, and agreed to his daughter's marriage proposal.