Was the Lord Krishna an Aryan and hence blood related to Lord Rama ?

as per hindu mythology both Lord Rama and Lord Krishna were the incarnations of Lord Vishnu one of the God fathers of the Hindu Gods AND Goddesses. Lord Ram was born to a Aryan father, a Kshtriya ( so called martial race) what about Lord Krishna ? was he also a Suryavanshi, but a Brahmin by caste or----