Anne of York, Duchess of Exeter
She was thus the eldest sister of kings Edward IV ( 1461–1483 ) and Richard III ( 1483–1485 ) ; and of Edmund , Earl of Rutland , Elizabeth of York , Duchess of Suffolk , Margaret , Duchess of Burgundy and of George Plantagenet , 1st Duke of Clarence . 
<triplet> Edward IV <subj> Richard III <obj> sibling <subj> Edmund, Earl of Rutland <obj> sibling <subj> Elizabeth of York, Duchess of Suffolk <obj> sibling <subj> Margaret, Duchess of Burgundy <obj> sibling <subj> George Plantagenet, 1st Duke of Clarence <obj> sibling <triplet> Richard III <subj> Edward IV <obj> sibling <subj> Edmund, Earl of Rutland <obj> sibling <subj> Elizabeth of York, Duchess of Suffolk <obj> sibling <subj> Margaret, Duchess of Burgundy <obj> sibling <subj> George Plantagenet, 1st Duke of Clarence <obj> sibling <triplet> Edmund, Earl of Rutland <subj> Edward IV <obj> sibling <subj> Richard III <obj> sibling <subj> Elizabeth of York, Duchess of Suffolk <obj> sibling <subj> Margaret, Duchess of Burgundy <obj> sibling <subj> George Plantagenet, 1st Duke of Clarence <obj> sibling <triplet> Elizabeth of York, Duchess of Suffolk <subj> Edward IV <obj> sibling <subj> Richard III <obj> sibling <subj> Edmund, Earl of Rutland <obj> sibling <subj> Margaret, Duchess of Burgundy <obj> sibling <subj> George Plantagenet, 1st Duke of Clarence <obj> sibling <triplet> Margaret, Duchess of Burgundy <subj> Edward IV <obj> sibling <subj> Richard III <obj> sibling <subj> Edmund, Earl of Rutland <obj> sibling <subj> Elizabeth of York, Duchess of Suffolk <obj> sibling <subj> George Plantagenet, 1st Duke of Clarence <obj> sibling <triplet> George Plantagenet, 1st Duke of Clarence <subj> Edward IV <obj> sibling <subj> Richard III <obj> sibling <subj> Edmund, Earl of Rutland <obj> sibling <subj> Elizabeth of York, Duchess of Suffolk <obj> sibling <subj> Margaret, Duchess of Burgundy <obj> sibling