Elizabeth of Kuyavia
Some believe that Catherine of Bosnia , Countess of Cilli , was daughter of Elizabeth of Kuyavia and Stephen II , while others argue that Catherine was daughter of Stephen II's brother Vladislaus and his wife Jelena Šubić . 
<triplet> Catherine of Bosnia, Countess of Cilli <subj> Jelena Šubić <obj> mother <triplet> Vladislaus <subj> Jelena Šubić <obj> spouse