Charlotte's Spoiler Part Three: And They Lived Happily Ever After

Again, please stop right now and read no further if you want any mystery to attend your reading of Charlotte Lucas' romance in Holidays at Pemberley, or Third Encounters: A Tale of Less Pride & Prejudice Concludes, for the following will ruin it all. Why am I sharing it anyway? A poignant question to which I have no rational response. 

So nearly all the pieces of Charlotte's puzzle have now