Felicia of Roucy
Felicia gave birth to three sons , Ferdinand , Alfonso and Ramiro , the latter two following her step-son Peter I of Aragon and Navarre in Aragon ( Alfonso also in Navarre ) . 
<triplet> Alfonso <subj> Ramiro <obj> sibling <subj> Peter I of Aragon and Navarre <obj> sibling <triplet> Ramiro <subj> Alfonso <obj> sibling <subj> Peter I of Aragon and Navarre <obj> sibling <triplet> Peter I of Aragon and Navarre <subj> Alfonso <obj> sibling <subj> Ramiro <obj> sibling