In the nobility case (RGIA 1343-21-2020), there is a document written in Old Belarusian concerning a court case from the year 1620 between Elżbieta Kijuć (Żylińska) and her sons against duke Abdulicz. Both in the original text and in the official translation, she is referred to as Elżbieta Andreyevna, which indicates that her father's name was Andrei.
