Jeanne d'Angoulême
1490 – after 1531/1538 ) , "Dame de Givry" , "Baroness of Pagny and of Mirebeau" , was an illegitimate half-sister of King Francis I of France and princess Marguerite de Navarre . 
<triplet> Francis I of France <subj> Marguerite de Navarre <obj> sibling <triplet> Marguerite de Navarre <subj> Francis I of France <obj> sibling