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: What group did the Nobility of Ruthenia gravitate its loyalty towards?
Answer: Grand Duchy of Lithuania

Question: What type of people were the Grand Duchy of Lithuania?
Answer: multicultural and multilingual

Question: What eventually became a part of the grand duchy of lithuania?
Answer: principalities of Halych and Volhynia

Question: What was common for families of ruthenian and lithuanian?
Answer: intermarried