The following sources claiming or supporting Yu Hsien above is letter D. Yu Hsien hated non-Chinese religions like Christianity. Taiyuan massacre during Boxer Rebellion, which killed 45 Christians with children. It was at this time tha Yu Hsien was the governor of Shanxi.
1+2=3
you get 1 and get 2 You a`dad that into 3
Accurate maps and sea charts helped them
John White maybe not for sure ......Have a good day