You have already figured out an exhaustive list of tests.
You can add HIV status for both male and female, blood groups of both male & female.
VDRL for syphilis
In hormonal assay, thyroid hormone profile is important for the female.
Test for thalasemia should be retained.
will tell youabout the fertility
of the male. This test is may be added if the boy is willing.
Besides these it is iportant to get blood glucose levels checked and base line blood pressure done especially in case of female. This is because these parameters have a very important bearing on pregnancy