Si,

I also have a Last Resort Letter that I will give my STBX. Timing is critical on when to give it if you decide to.
One thing you need to add to the letter is a statement saying that you do not expect a response from her whatsoever.

I am also troubled about my boys as to who they will meet when they are with STBX. I don't think my STBX will have kids but she may be with an OM who already has a daughter if she is still with the same OM.

H-46 XW-38 T-7 M-6
S-9,8,8,6,4
S 11/30/15, I filed 12/8/15
EA 2/1/16 D dismissed 3/24/16
PA 3/18/16 confirmed 4/22/16
XW files for D 4/1/16 - D final 11/17/16
Finally moving forward...