Money was not the only way that one could attain the social status of a noble. Gallantry could also allow for upward social movement. Brave fighters were sometimes knighted and given large tracts of land for their bravery.
Costume Burgundian noble woman in the 15th century.
Fashionably feudal: What did people wear in the Middle Ages? - History Skills
Noble Franconian women. Medieval clothing 10th century.
PPT - Titles of Nobility PowerPoint Presentation, free download - ID:2654461
Kleine Exkursion – Noble Society Services
Nobility - Wikipedia
Nobility Collection of Photo Prints and Gifts
So You Want to be Nobility? – Knyght Errant
Fatness and Thinness in the Middle Ages
Was it possible to buy a noble title in medieval Europe? - Quora
The English Nobility in the Late Middle Ages: The Fourteenth-century - Chris Given-Wilson - Google Books