Hi Gloeiwurmpie.
1stly please dont feel like you being high and mighty, i feel totally the same over my girls as you do.
Ive got 2 girls and since we've lived in Durban for most of their life, and only recently moved to Cape Town, they've spent most of their time with my family(my husband is from Cape Town), so they are sooo used to being around my mum, and only brother, his wife and 3 children whom one is already married.
Ive always said that if something should happen to us my children will then be looked after by my brother , who adores them as his own. I also have taken into account the family that they are most used to being around and feel comfortable with , this for me is so important as if something happended to us , that will be 1stly such a tragedy for them to go through and then for them to move to someone they hardly know will make it even harded for them, so i suggest you see who your LO is most used to seeing and being around , this will be particularly important as he/she gets older as they more familiar with people around them and who's who.
Also a major factor is financial stability and moral standards, of which my brother is extremely financially stable so he would be able to give the best to my children and grow them up with the similar lifestable we provide them with , him and his wife have also grown their own children with the same morals as we have ours so living under those rules in there house will be fine for my girls, they just as strict as we are etc, this is also important as some people are stricter or more leniant with growing up children then others might be, so someone with similar morals ,living standards as you also might be important.
Also other children might be a factor as a too young couple who havent had kids and might be starting their own family might not be as good of a bet as a slightly more mature family, as "sibling rivalry" should i call it and differences in the way your child and their children might be treated.
hope ive given some decent views
Z xx