Related Clues:

• Prot. or Cath.
• With 8-Down, course that includes Shak.
• Bill of Rights subj.
• Essay writer's class: Abbr.
• U.K. tongue
• Heir, usually: Abbr.
• Famous Siamese twin
• Sis or bro
• Many an MIT grad
• Bro. or sis.
• It's east of the Isle of Man: Abbr.
• Aunt or bro.
• Sibling, e.g.: Abbr.
• Family mem.
• Kinsman (Abbr.)