can you do it online with accuracy?
Go to a Mormon Library - they will probably have worked it all out for your family already.
On-line ? .....
..... Try entering your details into http://funadvice.com/r/14ui57g1jgn
Best wishes - Majikthise.
I believe so.
I've heard that this site (ancestry.com) - http://funadvice.com/r/14ui57i6hrj is legit.