ABBREVIATIONS

[blackcat66]

I am new to this site and for the life of me I cannot decipher the abbreviations. eg MIL, DSis, DD ETC

Mother in law
Darling husband
Darling daughter or ds for son.
There's a lost somewhere!

A list. Dammit. Not a lost!!!!

Google is your friend on these things
MIL - mother in law
DD - dear daughter
Dsis - dear sis

Here you go!

Mother in law, Dear/darling sis, dd is dear daughter, ds dear son, dss or dsd dear step son/daughter, dc dear child

BIWI has it.
Oh and welcome OP.
That's original poster!