This term for nobility comes from the Spanish sangre azul
... Word count: 101435 Read: 62062 [DOC] [TLE] The Blue Bloods, Their Green Money, and the ... - Bove and Langa [PAR] It is said that the term blue blood comes from the Spanish, sangre azul, and 
was ... here in Boston, the term is generally accepted to refer to a nobility of a.