《旧五代史·后梁·太祖纪一》
在这之前，太祖曾派信使雷邺向魏州请购粮食，不久被罗弘信的牙军杀害。
先是，帝遣行人雷鄴告籴于魏，既而为牙军所杀。
Previously, the founding emperor had sent the messenger Lei Ye to Weizhou to buy grain, but he had recently been killed by Luo Hongxin's personal troops.