Here was her preux chevalier of a brother turned merchant, trader!

这是她从兄弟变成商人的前骑士， 商人！

Moreover, I myself, will be her preux chevalier, sixty and gouty though I be.

而且，我自己，将是她的假骑士， 虽然我已经六十多岁， 还患有痛风病。