i think in chapter 3 when Helen shows a letter to winne saying that wen fu has died and they both no longer need to hold on their deep secrets
Yan Yuan died in 1704.
Wen Shizhen died in 1951.
Wen Tong died in 1079.
Wen Tingyun died in 870.
Wen Qiang died in 2010.
Xu Wen died in 927.
Wen Boren died in 1575.
Elias Wen died in 2007.
Wen Kezheng died in 2007.
Huan Wen died in 373.
Wen Zhenmeng died in 1636.
Wen Zhenheng died in 1645.