the blue blood elite have long been [discourage]d from intermarrying with [commoner]s, lest their pure bloodlines be contaminated, ignoring the [degenerative] effects of [inbreeding]
from the [medieval] european belief that [royalty] and [nobility] had [blue] [blood]
"the blue blood elite have long been [discourage]d from intermarrying with [commoner]s, lest their pure bloodlines be contaminated, ignoring the [degenerative] effects of [inbreeding]" What is the definition of "blue blood"?