The bard, as part of the rogue group, was one of the standard character classes available in the second edition Player's Handbook; in this edition, the bard was regularized.
Also, not all babies are born with blue eyes. Babies of African, Asian, and Hispanic descent are more likely to be born with brown eyes. This is because darker-skinned individuals tend to have more melanin in their eyes than Caucasians. Even so, a baby's eye color may deepen over time.
Which one is a simple matter of chance.*. And if we take a Bb dad (brown eyes) and a bb mother (blue eyes), there is still a 50% chance for the child to have blue eyes. Again it didn't matter which parent gave which gene version. What was important is that these two gene versions were involved. This is true for many, many traits besides eye color.