adjective (nobler, noblest)
1 Belonging by rank, title, or birth to the aristocracy: the medieval palace was once owned by a noble Florentine family the Duchess of Kent and several other noble ladies
Middle English: from Old French, from Latin (g)nobilis 'noted, high-born', from an Indo-European root shared by know.
There's no bull about it. John's the great grandson of a noble house. He was high-born, too, on the 18th floor of the hospital, but cannot claim any title, being a citizen of the United States where equality is supposed to matter.
Words are a game. Sometimes I play alone, but you are welcome to play, too.