context: In Ruthenia the nobility gradually gravitated its loyalty towards the multicultural and multilingual Grand Duchy of Lithuania after the principalities of Halych and Volhynia became a part of it. Many noble Ruthenian families intermarried with Lithuanian ones.
question: రుతేనియాలోని ప్రముఖులు ఏ గుంపుపట్ల విశ్వసనీయతను ప్రదర్శించారు?
answers: Grand Duchy of Lithuania