Those are beautiful and natural. How can you go wrong if what you're capturing is the truth about human beings?
Disillusioned hijack: as wonderful as your images are, I'm going to guess that nobody looks at them after a generation, perhaps two, has passed. My father's death -- and the mound of family photos and film reels that he left behind but which nobody wanted -- stick with me. I hope that in your family's case, it's different.