Complex sentence: In July of 1878, Justices Harris, Judd and McCully heard an appeal from the king and his two sisters and felt that they had failed to prove their case however, they were very impressed with the claim of Chief Kilinahe Puahi, Kanaina's first cousin.
Split into simpler sentences: In July of 1878, Justices Harris, Judd and McCully heard an appeal from the king and his two sisters. While the Justices felt Kalakaua's claim failed to prove their case, they were very impressed with the claim of Chief, Kilinahe Puahi, Kanaina's first cousin.