East L.A.'s female vocal group.  Sister, Ersi Arvisu would later become lead vocalist with El Chicano

The Royal Jesters later changed their name to the Rhythm Playboys (card above).

(The Royal Jester's lead singer was Frankie Garcia, later Cannibal of Cannibal & the Headhunters.  Frankie also sang for a time with The Rhythm Playboys before joining Cannibal & the Headhunters.)