Complex sentence: Eärnil was elected king for his deeds, heritage, and because of the Steward's influence, however he was still of the royal house since he was a direct male-line descendant of King Telumehtar Umbardacil.
Split into simpler sentences: Eärnil was elected king for his deeds, heritage, and because of the Steward's influence. However, he was still of the royal house since he was a direct male-line descendant of King Telumehtar Umbardacil.